Motor operated valve,申请号US19330687118-传众专利搜索

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发明名称	Motor operated valve
摘要
申请公布号	US1989942(A)	申请公布日期	1935.02.05
申请号	US19330687118	申请日期	1933.08.28
申请人	VAPOR CAR HEATING COMPANY, INC.	发明人	PARKS PAUL B.;SMITH WILLIAM M.;VULPEN JOHN VAN
分类号	F16K31/04	主分类号	F16K31/04
代理机构		代理人
主权项
地址

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