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发明名称
摘要
申请公布号
JPH0425823(U)
申请公布日期
1992.03.02
申请号
JP19900066048U
申请日期
1990.06.25
申请人
发明人
分类号
B22F1/00;F27B9/24;F27B9/32;(IPC1-7):B22F1/00
主分类号
B22F1/00
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代理人
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