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发明名称
摘要
申请公布号
JPH0246847(U)
申请公布日期
1990.03.30
申请号
JP19880125747U
申请日期
1988.09.28
申请人
发明人
分类号
B22D1/00;C21C7/072;C21C7/10;(IPC1-7):C21C7/10
主分类号
B22D1/00
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代理人
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