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发明名称
摘要
申请公布号	BE427643(A)	申请公布日期	1938.05.31
申请号	BED427643	申请日期	1938.04.19
申请人		发明人
分类号	B41L1/16;C22C11/02;H01J43/22;H01M4/68	主分类号	B41L1/16
代理机构		代理人
主权项
地址

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