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National Bureau of Standards (美国); national standard bureau | |||
GBS | |||
National Bureau of Standard | |||
National Bureau of Standards | |||
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National Bureau of Standard | |||
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National Bureau of Standards | |||
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National Bureau of Standards | |||
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National Bureau of Standard | |||
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National Bureau of Standards | |||
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National Bureau of Standard | |||
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National Bureau of Standards | |||
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National Bureau of Standards | |||
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State Bureau of Standardization and Metrology | |||
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National Bureau of Standards | |||
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National Bureau of Standards |
国家 标 准局 : 36 a las frases, 11 temas |
Aviación | 2 |
Cargo de bibliotecario | 1 |
Ciencias de la tierra | 2 |
Electrónica | 6 |
Estados unidos | 8 |
General | 2 |
Industria textil | 1 |
Metalurgia | 2 |
Negocio | 1 |
Tecnología | 9 |
Tecnología de la información | 2 |