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发明名称
AIR DUCT SILENCER
摘要
申请公布号
GB8602607(D0)
申请公布日期
1986.03.12
申请号
GB19860002607
申请日期
1986.02.03
申请人
WOODS OF COLCHESTER LTD
发明人
分类号
E04B1/84;E04B1/86;F24F13/24
主分类号
E04B1/84
代理机构
代理人
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地址
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