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发明名称
Perfectionnements aux supports de projecteurs
摘要
申请公布号
FR834246(A)
申请公布日期
1938.11.16
申请号
FRD834246
申请日期
1938.02.25
申请人
发明人
CREMER ANDRE
分类号
G03B15/07
主分类号
G03B15/07
代理机构
代理人
主权项
地址
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