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| 公开/私有: | 公开 私有 |
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The national conference on weights and measures,
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出版社:
U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. G.P.O.,
出版日期: 1992.
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出版社:
U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. G.P.O.,
出版日期: 1982.
文献类型:
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