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经营范围
发明名称
MANUFACTURING HIGH TENSILE STRENGTH STEEL PLATES
摘要
申请公布号
GB8331786(D0)
申请公布日期
1984.01.04
申请号
GB19830031786
申请日期
1983.11.29
申请人
NIPPON KOKAN KK
发明人
分类号
B21B3/00;C21D1/18;C21D6/00;C21D8/02;C22C38/00;C22C38/44;C22C38/54
主分类号
B21B3/00
代理机构
代理人
主权项
地址
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