Perfectionnements aux pompes à vide poussé,申请号FRD938744-传众专利搜索

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发明名称	Perfectionnements aux pompes à vide poussé
摘要
申请公布号	FR938744(A)	申请公布日期	1948.10.22
申请号	FRD938744	申请日期	1946.11.07
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	LITTON CHARLES VINCENT
分类号	F04F9/00	主分类号	F04F9/00
代理机构		代理人
主权项
地址

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