,申请号DD19720160988-传众专利搜索

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发明名称
摘要
申请公布号	DD95435(A1)	申请公布日期	1973.02.12
申请号	DD19720160988	申请日期	1972.02.21
申请人		发明人
分类号	H03H7/30;H03H11/00;(IPC1-7):H03H7/30	主分类号	H03H7/30
代理机构		代理人
主权项
地址

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