Powder Standard the Standards 9781015152441 NBS Circu Bureau Volume Diffraction ray Patterns; Circular 预订
￥218满200减30售0件
Gas 预订 Bureau measuring 309 NBS Circular 9781013965562 the Instruments; Standards
￥218满200减30售0件
Propagation Technical 预订 VLF Calculations Note NBS the 114 ionosphere for Waveguide; Mode 9781014911186 Earth
￥218满200减30售0件
NBS 9781014444110 Standards Manufacture Bureau Circular the 337 Lime; 预订
￥218满200减30售0件
9781014926593 518 Microwave 预订 Circular Spectra Bureau the NBS Standards Tables; Molecular
￥218满200减30售0件
NBS 预订 Program; Note IGY Sporadic and incidence scatter Oblique 9781014188175 Report the Technical
￥218满200减30售0件
Technical Ionosonde Artificially Electron NBS Note 1960.; Observations Firefly Clouds 9781014880277 Produced 预订
￥218满200减30售0件
Handbook 9781014765031 Receiving Tubes; Tabulation Data NBS 预订
￥218满200减30售0件
Electrical Equipment 预订 Publication 9781014577955 Miscellaneous Circuits Protection Lightning; Against and NBS
￥218满200减30售0件
the Energy 预订 NBS 9781014718723 Gases; Bureau Circular Transfer Standards 523 Hot
￥218满200减30售0件
the 9781014467829 Approximation; 预订 NBS Nature Note Crystal Technical Field
￥218满200减30售0件
Propagation; 预订 Radio NBS Note Bibliography 9781014170415 Meteoric Technical Wave
￥218满200减30售0件
NBS Code Against Protection Parts III; Handbook and for 9781013444098 Lightning 预订
￥218满200减30售0件
Publication 9781014374400 for Lightning; NBS Against Code Protection Miscellaneous 预订
￥218满200减30售0件
Time 9781015245099 Clocks; 预订 Precise NBS Synchronization Note Widely Technical Separated
￥218满200减30售0件
eighth NBS 预订 National Thirty Miscellaneous Measures; Conference Publicati Weights the and Report 9781014020673
￥218满200减30售0件
Phenomena 9781014419002 Bibliography; 预订 Aerodynamic NBS Stellar Note Atmospheres Technical
￥218满200减30售0件
1961.; Bibliography Finding Direction Related 1955 NBS Topics Propagation Ionospheric 9781015049321 Techni and 预订
￥218满200减30售0件
Miscellaneous Report National the Thread NBS Publication Edition; Fourth Commission 9781013309205 141 Screw 预订
￥232满200减30售0件
Circuit; 预订 Core NBS 113 Transistor Note 9781015109612 magnetic Technical Digital
￥232满200减30售0件
the National 预订 NBS 9781014046048 Tables; Bureau Circular Petroleum Standard Standards 410 Oil
￥232满200减30售0件
term 预订 Long NBS VHF Tropospheric Loss UHF Their and 9781015212428 Summary Data Variability; Transmission
￥232满200减30售0件
fourth NBS 预订 National Thirty Miscellaneous Measures; Conference Publicati Weights the and Report 9781015306455
￥232满200减30售0件
Report; state Systems Replica 9781014542533 Technical Not Selection Retrieval Copies; art the NBS Information 预订
￥232满200减30售0件
Weighing 预订 9781014494924 Handbook Testing NBS Equipment;
￥232满200减30售0件
NBS Weights and the National 9781013541254 Publication 46th Conference 1961; Measures Miscellaneous Report 预订
￥232满200减30售0件
third NBS 预订 National Twenty Miscellaneous Measures; Conference Publicatio Weights the and Report 9781013414817
￥232满200减30售0件
Conference; 预订 Seventeenth NBS and Publication Weights 9781015324084 Measures Miscellaneous Annual
￥232满200减30售0件
Conference; 预订 Sixteenth NBS and Publication Weights 9781014501882 Measures Miscellaneous Annual
￥232满200减30售0件
National Miscellaneous 预订 Conference Twentieth Publication NBS and the Measures; Report 9781014537157 Weights
￥232满200减30售0件