Method of preparing molding bituminous material and product thereof,申请号US19450608848-传众专利搜索

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发明名称	Method of preparing molding bituminous material and product thereof
摘要
申请公布号	US2524644(A)	申请公布日期	1950.10.03
申请号	US19450608848	申请日期	1945.08.03
申请人	THE RICHARDSON COMPANY	发明人	WENTLAND ROBERT J.
分类号	C10C3/04	主分类号	C10C3/04
代理机构		代理人
主权项
地址

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