PL330130A1 - Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor - Google Patents

Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor

Info

Publication number
PL330130A1
PL330130A1 PL33013098A PL33013098A PL330130A1 PL 330130 A1 PL330130 A1 PL 330130A1 PL 33013098 A PL33013098 A PL 33013098A PL 33013098 A PL33013098 A PL 33013098A PL 330130 A1 PL330130 A1 PL 330130A1
Authority
PL
Poland
Prior art keywords
rooms
gaseous medium
effectively preventing
apparatus therefor
ventilation ducts
Prior art date
Application number
PL33013098A
Other versions
PL189678B1 (en
Inventor
Zbigniew Wedrychowicz
Original Assignee
Zbigniew Wedrychowicz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zbigniew Wedrychowicz filed Critical Zbigniew Wedrychowicz
Priority to PL98330130A priority Critical patent/PL189678B1/en
Publication of PL330130A1 publication Critical patent/PL330130A1/en
Publication of PL189678B1 publication Critical patent/PL189678B1/en

Links

PL98330130A 1998-12-04 1998-12-04 Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor PL189678B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL98330130A PL189678B1 (en) 1998-12-04 1998-12-04 Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL98330130A PL189678B1 (en) 1998-12-04 1998-12-04 Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor

Publications (2)

Publication Number Publication Date
PL330130A1 true PL330130A1 (en) 2000-06-05
PL189678B1 PL189678B1 (en) 2005-09-30

Family

ID=20073316

Family Applications (1)

Application Number Title Priority Date Filing Date
PL98330130A PL189678B1 (en) 1998-12-04 1998-12-04 Method of effectively preventing backflow of gaseous medium extracted from rooms through ventilation ducts in multiple-storied building and apparatus therefor

Country Status (1)

Country Link
PL (1) PL189678B1 (en)

Also Published As

Publication number Publication date
PL189678B1 (en) 2005-09-30

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