Apparatus for testing oils for gum, varnish, sludge, and corrosion,申请号US19500140726-传众专利搜索

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发明名称	Apparatus for testing oils for gum, varnish, sludge, and corrosion
摘要
申请公布号	US2669865(A)	申请公布日期	1954.02.23
申请号	US19500140726	申请日期	1950.01.26
申请人	JOSEPH COLE;JOHN KRAWETZ	发明人	COLE JOSEPH;KRAWETZ JOHN
分类号	G01N33/28	主分类号	G01N33/28
代理机构		代理人
主权项
地址

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