,申请号CS19710004757-传众专利搜索

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发明名称
摘要
申请公布号	CS156233(B1)	申请公布日期	1974.07.24
申请号	CS19710004757	申请日期	1971.06.28
申请人		发明人
分类号	D01B5/04;(IPC1-7):D01B5/04	主分类号	D01B5/04
代理机构		代理人
主权项
地址

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