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发明名称
PROGRESSIVE DIE
摘要
申请公布号
SU1532137(A2)
申请公布日期
1989.12.30
申请号
SU19884407365
申请日期
1988.04.11
申请人
MAGNITOGORSK METALLURG
发明人
KHLUDENEV EVGENIJ N,SU;CHERNEV VLADIMIR I,SU
分类号
B21D28/14
主分类号
B21D28/14
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代理人
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