Rotary alternating pistons pump,申请号US19430475956-传众专利搜索

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发明名称	Rotary alternating pistons pump
摘要
申请公布号	US2453271(A)	申请公布日期	1948.11.09
申请号	US19430475956	申请日期	1943.02.15
申请人	JAMES SALES FREDERICK	发明人	SALES FREDERICK JAMES
分类号	F04C2/077	主分类号	F04C2/077
代理机构		代理人
主权项
地址

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