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发明名称
Improvements in or relating to welding
摘要
申请公布号
GB363921(A)
申请公布日期
1931.12.31
申请号
GB19310009244
申请日期
1931.03.26
申请人
SOCIETE ANONYME DES ATELIERS DE SECHERON
发明人
分类号
B22D19/00;B23K35/04
主分类号
B22D19/00
代理机构
代理人
主权项
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