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经营范围
发明名称
Stereoscopic instrument
摘要
申请公布号
GB671549(A)
申请公布日期
1952.05.07
申请号
GB19490033135D
申请日期
1949.12.28
申请人
WILHELM BILLER GRUBER
发明人
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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