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发明名称
VID BRAND SJELVVERKANDE AVSTENGNINGSANORDNING, SERSKILT FOR VENTILATIONSKANALER
摘要
申请公布号
SE7602567(L)
申请公布日期
1977.08.27
申请号
SE19760002567
申请日期
1976.02.26
申请人
DUFAYLITE DEV LTD
发明人
THWAITES P J;GREEN D W
分类号
A62C2/06;A62C4/00;E04B1/94;E06B5/16;(IPC1-7):A62C3/14;F16K17/38
主分类号
A62C2/06
代理机构
代理人
主权项
地址
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