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经营范围
发明名称
Improvements in or relating to arc welding
摘要
申请公布号
GB743806(A)
申请公布日期
1956.01.25
申请号
GB19530019075
申请日期
1953.07.09
申请人
PRECISION EQUIPMENT, INC.
发明人
RUEHLEMANN HERBERT ERNST;MENZEL WOLFGANG AUGUST
分类号
B23K9/28
主分类号
B23K9/28
代理机构
代理人
主权项
地址
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