发明名称 |
Ventilator for farm animal building has an inlet housing with a pivoting flap and weight counterbalance |
摘要 |
<p>A farm animal building has a ventilation aperture with an internal flap-operated closure. The flap closure is a sliding or pivoting unit balanced by a cable-weight.</p> |
申请公布号 |
DE10345055(A1) |
申请公布日期 |
2005.05.19 |
申请号 |
DE2003145055 |
申请日期 |
2003.09.26 |
申请人 |
HAGMANN, ERNST |
发明人 |
HAGMANN, ERNST;HAGMANN, SIMON DOMINIK |
分类号 |
A01K1/00;F24F11/00;(IPC1-7):F24F7/00;F24F13/14 |
主分类号 |
A01K1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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