Opacifier for vitreous enamels,申请号US19390302416-传众专利搜索

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发明名称	Opacifier for vitreous enamels
摘要
申请公布号	US2200170(A)	申请公布日期	1940.05.07
申请号	US19390302416	申请日期	1939.11.01
申请人	THE HARSHAW CHEMICAL COMPANY	发明人	HARSHAW WILLIAM J.;STILLWELL WILLIAM D.
分类号	C03C1/04;C03C4/00;C03C8/20	主分类号	C03C1/04
代理机构		代理人
主权项
地址

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