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发明名称
Ausatmungsventil für Gasschutzmasken.
摘要
申请公布号
CH184990(A)
申请公布日期
1936.06.30
申请号
CHD184990
申请日期
1935.04.26
申请人
HORAK,JAN
发明人
HORAK,JAN
分类号
主分类号
代理机构
代理人
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