Pompe à piston aspirante et refoulante à double effet,申请号FRD692682-传众专利搜索

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发明名称	Pompe à piston aspirante et refoulante à double effet
摘要
申请公布号	FR692682(A)	申请公布日期	1930.11.08
申请号	FRD692682	申请日期	1929.12.24
申请人	ETABLISSEMENTS DUFOUR FRERES	发明人
分类号	F04B9/14	主分类号	F04B9/14
代理机构		代理人
主权项
地址

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