Piston,申请号US19390287397-传众专利搜索

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法人/股东/高管

发明名称	Piston
摘要
申请公布号	US2257236(A)	申请公布日期	1941.09.30
申请号	US19390287397	申请日期	1939.07.29
申请人	BENNETT HAYDEN JOSEPH	发明人	HAYDEN JOSEPH BENNETT
分类号	F16J1/04	主分类号	F16J1/04
代理机构		代理人
主权项
地址

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