Piston and ring assembly,申请号US19290374736-传众专利搜索

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发明名称	Piston and ring assembly
摘要
申请公布号	US1877106(A)	申请公布日期	1932.09.13
申请号	US19290374736	申请日期	1929.06.29
申请人	JUDSON WILLIAMS	发明人	WILLIAMS JUDSON
分类号	F16J9/06	主分类号	F16J9/06
代理机构		代理人
主权项
地址

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