Piston,申请号US19400333569-传众专利搜索

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发明名称	Piston
摘要
申请公布号	US2306800(A)	申请公布日期	1942.12.29
申请号	US19400333569	申请日期	1940.05.06
申请人	THE GEORGE E. FAILING SUPPLY COMPANY	发明人	CALDWELL WALTER T.
分类号	F16J15/32	主分类号	F16J15/32
代理机构		代理人
主权项
地址

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