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发明名称
摘要
申请公布号
JPH0318936(U)
申请公布日期
1991.02.25
申请号
JP19890079505U
申请日期
1989.07.05
申请人
发明人
分类号
B21J9/08;(IPC1-7):B21J9/08
主分类号
B21J9/08
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代理人
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地址
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