STABLE BITUMEN DISPERSION PREPARATION,申请号CAD418038-传众专利搜索

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发明名称	STABLE BITUMEN DISPERSION PREPARATION
摘要
申请公布号	CA418038(A)	申请公布日期	1944.01.25
申请号	CAD418038	申请日期
申请人	SHELL DEVELOPMENT COMPANY	发明人	JOHN ALFRED RAWLINSON;JOHN FREDERICK THOMAS BLOTT
分类号		主分类号
代理机构		代理人
主权项
地址

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