Roofing material and process of making same,申请号US19480012132-传众专利搜索

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发明名称	Roofing material and process of making same
摘要
申请公布号	US2553413(A)	申请公布日期	1951.05.15
申请号	US19480012132	申请日期	1948.02.28
申请人	UNITED STATES GYPSUM COMPANY	发明人	HIGGS MORTON C.
分类号	D06N5/00	主分类号	D06N5/00
代理机构		代理人
主权项
地址

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