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发明名称
Machine à graver des réseaux de traits sensiblement parallèles sur des pièces de forme généralement allongée
摘要
申请公布号
FR949845(A)
申请公布日期
1949.09.09
申请号
FRD949845
申请日期
1947.07.18
申请人
发明人
PHILIPPE LEON
分类号
B44B3/02
主分类号
B44B3/02
代理机构
代理人
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