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发明名称
Procédé de gravure
摘要
申请公布号
FR1217689(A)
申请公布日期
1960.05.05
申请号
FR19580777385
申请日期
1958.10.23
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
B44C1/22
主分类号
B44C1/22
代理机构
代理人
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