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发明名称
Synchronous oscillating fan system for livestock shelter
摘要
A synchronous fan system is provided which intermittently calibrates the fans by rotating periodically the fans each to a common stop position.
申请公布号
US8183812(B2)
申请公布日期
2012.05.22
申请号
US20090584178
申请日期
2009.08.31
申请人
GORDON LARRY R.
发明人
GORDON LARRY R.
分类号
G05D3/12
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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