Protecting means for markings in gas analysis apparatus,申请号US19480028929-传众专利搜索

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发明名称	Protecting means for markings in gas analysis apparatus
摘要
申请公布号	US2526400(A)	申请公布日期	1950.10.17
申请号	US19480028929	申请日期	1948.05.24
申请人	HARRY W. DIETERT COMPANY	发明人	OLSEN JOHN J.
分类号	G01N7/04	主分类号	G01N7/04
代理机构		代理人
主权项
地址

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