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发明名称
摘要
申请公布号
JPS6270133(U)
申请公布日期
1987.05.02
申请号
JP19850161958U
申请日期
1985.10.22
申请人
发明人
分类号
B22F9/08;(IPC1-7):B22F9/08
主分类号
B22F9/08
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代理人
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地址
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