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发明名称
摘要
申请公布号
JPH0763742(B2)
申请公布日期
1995.07.12
申请号
JP19860008177
申请日期
1986.01.20
申请人
发明人
分类号
B21B1/10;B21B13/10;B21B27/02;B21B31/16;B21B38/10;(IPC1-7):B21B31/16
主分类号
B21B1/10
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代理人
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