Improvements in or relating to the manufacture of carbon blacks, more especially foruse in rubber mixings,申请号GB19390006099-传众专利搜索

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发明名称	Improvements in or relating to the manufacture of carbon blacks, more especially foruse in rubber mixings
摘要
申请公布号	GB525621(A)	申请公布日期	1940.09.02
申请号	GB19390006099	申请日期	1939.02.23
申请人	SOCIETA ITALIANA PIRELLI	发明人
分类号	C09C1/52	主分类号	C09C1/52
代理机构		代理人
主权项
地址

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