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bibliographic details ：
实用专利知识手册
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Machine-Readable Catalogue
ISBN/价格：
7-5304-0285-4:3.40
题名责任者项：
实用专利知识手册
/.
北京市专利管理局编
出版发行项：
北京:,北京科学技术出版社:,1989.3
载体形态项：
313:;+19cm
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