Air motor and pump,申请号US19500146570-传众专利搜索

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发明名称	Air motor and pump
摘要
申请公布号	US2612143(A)	申请公布日期	1952.09.30
申请号	US19500146570	申请日期	1950.02.27
申请人	LEAH HELPERT;ROBERT A. SLOMAN	发明人	WEIS WILLIAM B.
分类号	F04B9/10	主分类号	F04B9/10
代理机构		代理人
主权项
地址

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