Rod or shaft packing,申请号US19270213047-传众专利搜索

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发明名称	Rod or shaft packing
摘要
申请公布号	US1780051(A)	申请公布日期	1930.10.28
申请号	US19270213047	申请日期	1927.08.15
申请人	WALKER & FORBES, INC.	发明人	WALKER HERBERT S.
分类号	F16J15/26	主分类号	F16J15/26
代理机构		代理人
主权项
地址

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