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发明名称
ROLL FORMING EQUIPMENT
摘要
申请公布号
GB2049990(A)
申请公布日期
1980.12.31
申请号
GB19800011581
申请日期
1980.04.08
申请人
GROTNES MACHINE WORKS INC
发明人
分类号
B21H1/10;B21D53/30;(IPC1-7):H02P7/06;B21H1/06
主分类号
B21H1/10
代理机构
代理人
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地址
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