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| 公开/私有: | 公开 私有 |
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| 描述: | |
| 公开/私有: | 公开 私有 |
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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. Govt. Print. Off.,
出版日期: 1978.
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| 6. |
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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. Govt. Print. Off.,
出版日期: 1977.
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