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经营范围
发明名称
PLUGS FOR USE IN PIERCING AND ELONGATING MILLS
摘要
申请公布号
GB2069904(B)
申请公布日期
1983.03.16
申请号
GB19800041205
申请日期
1980.12.23
申请人
NIPPON KOKAN KK
发明人
分类号
B21B17/02;B21B19/04;B21B25/00;C23C4/06;C23C4/10;(IPC1-7):B21B25/00
主分类号
B21B17/02
代理机构
代理人
主权项
地址
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