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发明名称
Perfectionnements aux dispositifs d'avance-barre pour tours à décolleter semi-automatiques
摘要
申请公布号
FR923681(A)
申请公布日期
1947.07.15
申请号
FRD923681
申请日期
1946.02.12
申请人
L'AIR LIQUIDE
发明人
分类号
B23B9/06;B23B13/00
主分类号
B23B9/06
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