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经营范围
发明名称
Welding by the reaction heat of an alumino-thermic process
摘要
申请公布号
GB989488(A)
申请公布日期
1965.04.22
申请号
GB19610025690
申请日期
1961.07.14
申请人
YAWATA IRON AND STEEL COMPANY, LIMITED
发明人
分类号
B23K23/00
主分类号
B23K23/00
代理机构
代理人
主权项
地址
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