Lubrifiants,申请号FRD66628-传众专利搜索

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发明名称	Lubrifiants
摘要
申请公布号	FR66628(E)	申请公布日期	1957.06.18
申请号	FRD66628	申请日期	1949.10.14
申请人	N.V. DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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