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发明名称
Schutzeinrichtung gegen Eindringen schaedlicher Gase in das Ausatemventil eines Filteranschlussstueckes von Gasschutzmasken
摘要
申请公布号
DE666367(C)
申请公布日期
1938.10.18
申请号
DENDATA074418D
申请日期
申请人
DR. PAUL GUENTHER
发明人
分类号
A62B7/00
主分类号
A62B7/00
代理机构
代理人
主权项
地址
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