,申请号PL19740174883-传众专利搜索

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发明名称
摘要
申请公布号	PL94374(B1)	申请公布日期	1977.07.30
申请号	PL19740174883	申请日期	1974.10.17
申请人		发明人
分类号	B22D41/02;(IPC1-7):C04B41/04	主分类号	B22D41/02
代理机构		代理人
主权项
地址

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