Method of waterproofing mineral wool,申请号US19450602929-传众专利搜索

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法人/股东/高管

发明名称	Method of waterproofing mineral wool
摘要
申请公布号	US2493845(A)	申请公布日期	1950.01.10
申请号	US19450602929	申请日期	1945.07.02
申请人	JOHNS-MANVILLE CORPORATION	发明人	ZETTEL JOSEPH H.
分类号	C03C25/24	主分类号	C03C25/24
代理机构		代理人
主权项
地址

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