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发明名称
Membrangesteuertes Sauerstoffzustroemventil fuer Atemgeraete
摘要
申请公布号
DE748598(C)
申请公布日期
1944.11.04
申请号
DE1939A089835D
申请日期
1939.07.09
申请人
发明人
SAUER DR. RUDOLF
分类号
A62B9/02
主分类号
A62B9/02
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代理人
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