Improvements in and relating to the production of bituminous compositions and the like,申请号GB19330001839-传众专利搜索

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发明名称	Improvements in and relating to the production of bituminous compositions and the like
摘要
申请公布号	GB404966(A)	申请公布日期	1934.01.25
申请号	GB19330001839	申请日期	1933.01.19
申请人	ERNST KOCH	发明人
分类号	C08K5/098	主分类号	C08K5/098
代理机构		代理人
主权项
地址

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