SEAL OF VALVE STEM,申请号SU19681287818-传众专利搜索

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发明名称	SEAL OF VALVE STEM
摘要
申请公布号	SU294521(A1)	申请公布日期	1986.08.30
申请号	SU19681287818	申请日期	1968.12.09
申请人	YAKOVLEV V.V.,SU	发明人	YAKOVLEV V.V.,SU
分类号	F01L3/08	主分类号	F01L3/08
代理机构		代理人
主权项
地址

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