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发明名称
Perfectionnements aux systèmes optiques à miroir sphérique
摘要
申请公布号
FR917663(A)
申请公布日期
1947.01.17
申请号
FRD917663
申请日期
1945.10.24
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
G02B17/08
主分类号
G02B17/08
代理机构
代理人
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