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发明名称
摘要
申请公布号
JPH0368912(U)
申请公布日期
1991.07.08
申请号
JP19890126037U
申请日期
1989.10.27
申请人
发明人
分类号
B21B45/02;B21B45/06;(IPC1-7):B21B45/02
主分类号
B21B45/02
代理机构
代理人
主权项
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