,申请号FR19730027777-传众专利搜索

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法人/股东/高管

发明名称
摘要
申请公布号	FR2208948(B1)	申请公布日期	1977.02.25
申请号	FR19730027777	申请日期	1973.07.30
申请人	SIFRANCE	发明人
分类号	C01B33/187;C01B33/193;C09C1/00;C09C1/28;(IPC1-7):C09C1/30	主分类号	C01B33/187
代理机构		代理人
主权项
地址

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