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发明名称
Passe-vues pour appareil de projection
摘要
申请公布号
CH339395(A)
申请公布日期
1959.06.30
申请号
CHD339395
申请日期
1957.03.19
申请人
TRUBERT,RENE
发明人
TRUBERT,RENE
分类号
G03B23/04
主分类号
G03B23/04
代理机构
代理人
主权项
地址
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