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发明名称
AIR DUCT SECTION CONNECTOR
摘要
申请公布号
RU2004887(C1)
申请公布日期
1993.12.15
申请号
SU19914910973
申请日期
1991.02.13
申请人
PLYASKIN IVAN F
发明人
PLYASKIN IVAN F
分类号
F24F13/02;E21F1/06;(IPC1-7):F24F13/02
主分类号
F24F13/02
代理机构
代理人
主权项
地址
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