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发明名称
FEUERHEMMENDER ODER FEUERBESTAENDIGER LUEFTUNGSKANAL
摘要
申请公布号
DE7705876(U1)
申请公布日期
1978.01.26
申请号
DE19770005876U
申请日期
1977.02.25
申请人
I.P.U. LTD., NASSAU (BAHAMAS)
发明人
分类号
E04F17/04;(IPC1-7):E04F17/04
主分类号
E04F17/04
代理机构
代理人
主权项
地址
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