,申请号BED451134-传众专利搜索

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发明名称
摘要
申请公布号	BE451134(A)	申请公布日期	1943.07.31
申请号	BED451134	申请日期	1943.06.19
申请人		发明人
分类号	B21C25/08;E21C35/00;E21F17/06;H02K9/14	主分类号	B21C25/08
代理机构		代理人
主权项
地址

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