,申请号RO19720073356-传众专利搜索

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发明名称
摘要
申请公布号	RO56904(A2)	申请公布日期	1974.04.29
申请号	RO19720073356	申请日期	1972.12.28
申请人		发明人
分类号	B22D13/00;(IPC1-7):B22D13/00	主分类号	B22D13/00
代理机构		代理人
主权项
地址

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