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发明名称
摘要
申请公布号
JPH0333416(B2)
申请公布日期
1991.05.17
申请号
JP19890142880
申请日期
1989.06.05
申请人
CARRIER CORP
发明人
KENESU PII GUREI
分类号
B21D39/20;B21D41/02;B21D53/08;B21K21/12
主分类号
B21D39/20
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