Vacuum pumping apparatus,申请号US19500182862-传众专利搜索

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发明名称	Vacuum pumping apparatus
摘要
申请公布号	US2591334(A)	申请公布日期	1952.04.01
申请号	US19500182862	申请日期	1950.09.01
申请人	EASTMAN KODAK COMPANY	发明人	BLACK JUDD H.;WARREN HORACE G.
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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