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发明名称
摘要
申请公布号
JPH0426645(U)
申请公布日期
1992.03.03
申请号
JP19900065533U
申请日期
1990.06.22
申请人
发明人
分类号
B22D25/04;B22C9/06;H01M4/73;(IPC1-7):B22C9/06
主分类号
B22D25/04
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代理人
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