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发明名称
摘要
申请公布号
JPH0259807(U)
申请公布日期
1990.05.01
申请号
JP19880138265U
申请日期
1988.10.24
申请人
发明人
分类号
B21B45/02;(IPC1-7):B21B45/02
主分类号
B21B45/02
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