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经营范围
发明名称
APPARATUS FOR WINDING SPRINGS
摘要
申请公布号
PL139102(B1)
申请公布日期
1986.12.31
申请号
PL19830241368
申请日期
1983.03.31
申请人
发明人
分类号
B21F3/02;B23B;(IPC1-7):B21F3/02
主分类号
B21F3/02
代理机构
代理人
主权项
地址
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