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发明名称
Schutzbrille
摘要
申请公布号
DE687980(C)
申请公布日期
1940.02.09
申请号
DE1937K147938D
申请日期
1937.09.18
申请人
KERZLER & DITTELBACH ELEKTROTECHNISCHE FABRIK
发明人
DITTELBACH KARL
分类号
G02C7/10;G02C7/12;G02C11/00
主分类号
G02C7/10
代理机构
代理人
主权项
地址
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