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发明名称
Perfectionnements aux dispositifs explorateurs mécaniques de télévision
摘要
申请公布号
FR680055(A)
申请公布日期
1930.04.24
申请号
FRD680055
申请日期
1929.08.06
申请人
发明人
CLAUDET AYMON-FRANCOIS-MAX
分类号
H04N3/04
主分类号
H04N3/04
代理机构
代理人
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