METHOD OF PRODUCING VACUUM,申请号SU19792781671-传众专利搜索

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发明名称	METHOD OF PRODUCING VACUUM
摘要
申请公布号	SU827836(A1)	申请公布日期	1981.05.07
申请号	SU19792781671	申请日期	1979.06.20
申请人	MESENYASHIN VLADILEN ,SU	发明人	MESENYASHIN VLADILEN I,SU
分类号	F04B37/02;(IPC1-7):F04B37/02	主分类号	F04B37/02
代理机构		代理人
主权项
地址

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