,申请号DE19702048429-传众专利搜索

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发明名称
摘要
申请公布号	DE2048429(A1)	申请公布日期	1972.04.06
申请号	DE19702048429	申请日期	1970.10.02
申请人		发明人
分类号	B04B1/18;(IPC1-7):B04B7/00	主分类号	B04B1/18
代理机构		代理人
主权项
地址

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