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发明名称
Perfectionnements aux machines d'oxy-coupage automatique
摘要
申请公布号
FR865020(A)
申请公布日期
1941.05.12
申请号
FRD865020
申请日期
1940.04.17
申请人
发明人
LAVAUR FRANCOIS;JOUANET HENRI
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
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