,申请号GBD1230538-传众专利搜索

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发明名称
摘要
申请公布号	GB1230538(A)	申请公布日期	1971.05.05
申请号	GBD1230538	申请日期	1969.09.15
申请人		发明人
分类号	B21C47/28;B21C47/30	主分类号	B21C47/28
代理机构		代理人
主权项
地址

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