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发明名称
摘要
申请公布号
JPH0723747(B2)
申请公布日期
1995.03.15
申请号
JP19850199222
申请日期
1985.09.09
申请人
发明人
分类号
B21D7/16;B21D7/00;F02F5/00;F16J9/28;(IPC1-7):F16J9/28
主分类号
B21D7/16
代理机构
代理人
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