,申请号NL19710000332-传众专利搜索

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发明名称
摘要
申请公布号	NL7100332(A)	申请公布日期	1971.08.04
申请号	NL19710000332	申请日期	1971.01.11
申请人		发明人
分类号	B21C25/02;C22C32/00;(IPC1-7):C22C31/04	主分类号	B21C25/02
代理机构		代理人
主权项
地址

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