ZA838636B - Automatic air valve device for ducts - Google Patents

Automatic air valve device for ducts

Info

Publication number
ZA838636B
ZA838636B ZA838636A ZA838636A ZA838636B ZA 838636 B ZA838636 B ZA 838636B ZA 838636 A ZA838636 A ZA 838636A ZA 838636 A ZA838636 A ZA 838636A ZA 838636 B ZA838636 B ZA 838636B
Authority
ZA
South Africa
Prior art keywords
ducts
valve device
air valve
automatic air
automatic
Prior art date
Application number
ZA838636A
Inventor
Sture Ericson
Original Assignee
Sture Ericson
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 Sture Ericson filed Critical Sture Ericson
Publication of ZA838636B publication Critical patent/ZA838636B/en

Links

ZA838636A 1982-11-19 1983-11-18 Automatic air valve device for ducts ZA838636B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE895071 1982-11-19

Publications (1)

Publication Number Publication Date
ZA838636B true ZA838636B (en) 1984-07-25

Family

ID=3862031

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA838636A ZA838636B (en) 1982-11-19 1983-11-18 Automatic air valve device for ducts

Country Status (1)

Country Link
ZA (1) ZA838636B (en)

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