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发明名称
DUCT JOINTING DEVICES
摘要
Duct jointing devices comprising two separate legs (6A, 6B) adapted to be assembled together to form a rigid L-shaped corner piece for associating with hollow flanges (2) wherein the two leg bodies (6A, 6B) overlap to form a corner body.
申请公布号
WO9005263(A1)
申请公布日期
1990.05.17
申请号
WO1989GB01300
申请日期
1989.11.01
申请人
FIRMAC LIMITED
发明人
FIRTH, COLIN
分类号
F16L23/14
主分类号
F16L23/14
代理机构
代理人
主权项
地址
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