Verfahren zur Erhoehung des Erweichungspunktes von Steinkohlenteerpechen,申请号DE1937R098677D-传众专利搜索

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发明名称	Verfahren zur Erhoehung des Erweichungspunktes von Steinkohlenteerpechen
摘要
申请公布号	DE744139(C)	申请公布日期	1944.01.11
申请号	DE1937R098677D	申请日期	1937.02.25
申请人	RUETGERSWERKE-AG.	发明人	TAEGER ERICH
分类号	C10C1/19	主分类号	C10C1/19
代理机构		代理人
主权项
地址

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