Asphalt emulsions and process of making same,申请号US19340759371-传众专利搜索

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发明名称	Asphalt emulsions and process of making same
摘要
申请公布号	US2157698(A)	申请公布日期	1939.05.09
申请号	US19340759371	申请日期	1934.12.27
申请人	LUDWICK HALVORSEN ARTHUR	发明人	HALVORSEN ARTHUR LUDWICK
分类号	C08L95/00	主分类号	C08L95/00
代理机构		代理人
主权项
地址

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