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发明名称
Procédé de contrôle et d'exécution automatique de gravures électriques
摘要
申请公布号
FR920888(A)
申请公布日期
1947.04.21
申请号
FRD920888
申请日期
1946.01.29
申请人
发明人
SARAFYAN DIRAN
分类号
B44C1/22;C25F3/00;C25F7/00
主分类号
B44C1/22
代理机构
代理人
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地址
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