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发明名称
Gasschutzmaske oder Schutzbrille mit optischen Augenglaesern fuer Fehlsichtige
摘要
申请公布号
DE642450(C)
申请公布日期
1937.03.04
申请号
DE1933N036046D
申请日期
1933.12.07
申请人
Nitsche & Günther;Optische Werke A.-G.
发明人
分类号
A62B18/08
主分类号
A62B18/08
代理机构
代理人
主权项
地址
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