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经营范围
发明名称
DRAWING TOOL
摘要
申请公布号
GB2077647(B)
申请公布日期
1983.06.29
申请号
GB19800019923
申请日期
1980.06.18
申请人
URALSKY NAUCHNO ISSLEDOVATELSKY INSTITUT CHERNYKH METALL
发明人
分类号
B21C3/14;B21C9/00;(IPC1-7):B21C3/12;B21C3/02
主分类号
B21C3/14
代理机构
代理人
主权项
地址
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