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发明名称
METHOD OF COLD PLASTIC FORMING FLANGED DIE STAMPING OF BELT CONVEYOR SUPPORTING ROLLER HUB
摘要
申请公布号
PL266812(A1)
申请公布日期
1989.02.06
申请号
PL19870266812
申请日期
1987.07.13
申请人
发明人
分类号
B21D;B21D22/04;B21D51/10;(IPC1-7):B21D/
主分类号
B21D
代理机构
代理人
主权项
地址
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