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经营范围
发明名称
Brillensteg
摘要
申请公布号
DE577484(C)
申请公布日期
1933.05.31
申请号
DE1931K121708D
申请日期
1931.08.18
申请人
GEORG FRIEDRICH KAEPERNICK
发明人
分类号
G02C5/06
主分类号
G02C5/06
代理机构
代理人
主权项
地址
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