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经营范围
发明名称
Improvements in tube welding
摘要
申请公布号
GB811251(A)
申请公布日期
1959.04.02
申请号
GB19570006804
申请日期
1957.02.28
申请人
MAGNETIC HEATING CORPORATION
发明人
分类号
B23K13/04
主分类号
B23K13/04
代理机构
代理人
主权项
地址
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