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经营范围
发明名称
Federnder Brillenbuegel
摘要
申请公布号
DE599740(C)
申请公布日期
1934.07.07
申请号
DENDATW087949D
申请日期
申请人
ERWIN WAWRZYNOWICZ
发明人
分类号
G02C5/00;G02C5/14
主分类号
G02C5/00
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