Transmission for a valve operator,申请号US19570645943-传众专利搜索

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发明名称	Transmission for a valve operator
摘要
申请公布号	US2984127(A)	申请公布日期	1961.05.16
申请号	US19570645943	申请日期	1957.03.14
申请人	HENRY PRATT COMPANY	发明人	SCHWENK HENRY C.
分类号	F16K31/53	主分类号	F16K31/53
代理机构		代理人
主权项
地址

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