Piston,申请号US19330656399-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	US2043424(A)	申请公布日期	1936.06.09
申请号	US19330656399	申请日期	1933.02.13
申请人	CAMPBELL, WYANT AND CANNON FOUNDRY COMPANY	发明人	CAMPBELL DONALD J.
分类号	F16J9/04	主分类号	F16J9/04
代理机构		代理人
主权项
地址

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