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经营范围
发明名称
Oscillographe sans miroir, traversé par une lumière et la modulant
摘要
申请公布号
FR58380(E)
申请公布日期
1953.11.27
申请号
FRD58380
申请日期
1948.06.01
申请人
发明人
HAWADIER MARIE-JOSEPH-ANTOINE
分类号
G01R13/38
主分类号
G01R13/38
代理机构
代理人
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