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发明名称
Verfahren und Vorrichtung zum Abfuehren von Gasen aus geschlossenen Raeumen
摘要
申请公布号
DE906297(C)
申请公布日期
1954.03.11
申请号
DE1942J001414D
申请日期
1942.11.27
申请人
WILHELM BOLL
发明人
BOLL WILHELM
分类号
F24F13/06
主分类号
F24F13/06
代理机构
代理人
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地址
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