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发明名称
FLANGE TYPE DUCT CONNECTOR
摘要
申请公布号
CA2035643(A1)
申请公布日期
1991.08.06
申请号
CA19912035643
申请日期
1991.02.04
申请人
DUCTMATE INDUSTRIES, INC.
发明人
ARNOLDT, PETER J.
分类号
F16L23/14;(IPC1-7):F16L23/00
主分类号
F16L23/14
代理机构
代理人
主权项
地址
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