HARD VACUUM SEAL-OFF VALVE,申请号USD3597399-传众专利搜索

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发明名称	HARD VACUUM SEAL-OFF VALVE
摘要
申请公布号	US3597399(A)	申请公布日期	1971.08.03
申请号	USD3597399	申请日期	1969.04.22
申请人	HENKEL & CIE GMBH.	发明人	EDGAR LIESKE;ERWIN WEINRICH
分类号	C08G59/18;C08G59/40;C08K5/42;(IPC1-7):C08G30/12	主分类号	C08G59/18
代理机构		代理人
主权项
地址

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