Rubber valve stem,申请号US19410379055-传众专利搜索

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发明名称	Rubber valve stem
摘要
申请公布号	US2344932(A)	申请公布日期	1944.03.21
申请号	US19410379055	申请日期	1941.02.15
申请人	HOSKING OAKLEY W	发明人	HOSKING OAKLEY W.
分类号	F16K15/20	主分类号	F16K15/20
代理机构		代理人
主权项
地址

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