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发明名称
Perfectionnement aux dispositifs employés pour la soudure à l'arc et procédés analogues
摘要
申请公布号
FR809459(A)
申请公布日期
1937.03.03
申请号
FRD809459
申请日期
1935.11.23
申请人
发明人
SARAZIN ROBERT
分类号
B23K9/133
主分类号
B23K9/133
代理机构
代理人
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