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发明名称
Belueftungsvorrichtung fuer Gewaechshaeuser
摘要
申请公布号
DE802664(C)
申请公布日期
1951.02.19
申请号
DE1948P024834D
申请日期
1948.12.15
申请人
FA. ERNST FRIED
发明人
FRIED ERNST
分类号
A01G9/24;E05F17/00
主分类号
A01G9/24
代理机构
代理人
主权项
地址
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