Piston,申请号US19280307106-传众专利搜索

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发明名称	Piston
摘要
申请公布号	US1787452(A)	申请公布日期	1931.01.06
申请号	US19280307106	申请日期	1928.09.20
申请人	COPELAND PRODUCTS INC.	发明人	MUFFLY GLENN
分类号	F04B39/00	主分类号	F04B39/00
代理机构		代理人
主权项
地址

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