Composition of matter,申请号US19420432032-传众专利搜索

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发明名称	Composition of matter
摘要
申请公布号	US2390766(A)	申请公布日期	1945.12.11
申请号	US19420432032	申请日期	1942.02.23
申请人	EUREKA VACUUM CLEANER COMPANY	发明人	ZELLHOEFER GLENN F.;MARVEL CARL S.;COPLEY MICHAEL J.
分类号	C09K5/04	主分类号	C09K5/04
代理机构		代理人
主权项
地址

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