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发明名称
Flange connection for rectangular ducts
摘要
申请公布号
GB2251468(A)
申请公布日期
1992.07.08
申请号
GB19910000266
申请日期
1991.01.07
申请人
GEORG * MEZ
发明人
GEORG * MEZ
分类号
F16L23/14;F24F13/02;F24F13/20
主分类号
F16L23/14
代理机构
代理人
主权项
地址
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