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经营范围
发明名称
Procédé de coupe de pièces métalliques et ses applications
摘要
申请公布号
FR942368(A)
申请公布日期
1949.02.07
申请号
FRD942368
申请日期
1947.02.18
申请人
发明人
PETIT JEAN-ISAAC
分类号
B23K11/22
主分类号
B23K11/22
代理机构
代理人
主权项
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