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发明名称
摘要
申请公布号
JP2824867(B2)
申请公布日期
1998.11.18
申请号
JP19900317955
申请日期
1990.11.26
申请人
MARU KIKAI KOGYO KK
发明人
HONGO TOSHIO
分类号
B21D5/02;(IPC1-7):B21D5/02
主分类号
B21D5/02
代理机构
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