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经营范围
发明名称
Appareil d'observation stéréoscopique.
摘要
申请公布号
CH283482(A)
申请公布日期
1952.06.15
申请号
CHD283482
申请日期
1950.01.03
申请人
GRUBER,WILHELM BILLER
发明人
BILLER GRUBER,WILHELM
分类号
G03B23/10
主分类号
G03B23/10
代理机构
代理人
主权项
地址
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