MARC状态：审校 文献类型：西文图书 浏览次数：73
- 题名/责任者:
- Index of patents issued from the United States Patent, 1969. Part II, Index to subjects of invention.
- 出版发行项:
- Washington : U.S. Government printing office, 1970.
- 载体形态项:
- 340 p. : ill. ; 22 cm.
- 团体责任者:
- United States. Patent office.
- 论题主题:
- Patents-United States.
- 中图法分类号:
- N18-7
- 一般附注:
- "For sale by the Superintendent of documents, U. S. Government Printing office, Washington, D. C."
- 随书光盘:
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| 索书号 | 条码号 | 年卷期 | 馆藏地 | 书刊状态 |
| N18-7/USP/(1969)/V.2 | E0233034 | pt.2 |  东5层4区
|
可借 |
| N18-7/USP/(1969)/V.2 | W0101054 | 1970. | 东5层4区
|
非可借 |
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