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发明名称
Zusammenlegbares Augenglasgestell
摘要
申请公布号
DE553434(C)
申请公布日期
1932.06.29
申请号
DED553434D
申请日期
申请人
WILLIAM DAVID EGLINTON
发明人
分类号
G02C5/00
主分类号
G02C5/00
代理机构
代理人
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