AR222274A1 - IMPROVEMENTS IN VENTILATION COLUMNS - Google Patents

IMPROVEMENTS IN VENTILATION COLUMNS

Info

Publication number
AR222274A1
AR222274A1 AR28439081A AR28439081A AR222274A1 AR 222274 A1 AR222274 A1 AR 222274A1 AR 28439081 A AR28439081 A AR 28439081A AR 28439081 A AR28439081 A AR 28439081A AR 222274 A1 AR222274 A1 AR 222274A1
Authority
AR
Argentina
Prior art keywords
ventilation columns
ventilation
columns
Prior art date
Application number
AR28439081A
Other languages
Spanish (es)
Original Assignee
Cefico Sa
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 Cefico Sa filed Critical Cefico Sa
Priority to AR28439081A priority Critical patent/AR222274A1/en
Application granted granted Critical
Publication of AR222274A1 publication Critical patent/AR222274A1/en

Links

AR28439081A 1981-02-20 1981-02-20 IMPROVEMENTS IN VENTILATION COLUMNS AR222274A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AR28439081A AR222274A1 (en) 1981-02-20 1981-02-20 IMPROVEMENTS IN VENTILATION COLUMNS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR28439081A AR222274A1 (en) 1981-02-20 1981-02-20 IMPROVEMENTS IN VENTILATION COLUMNS

Publications (1)

Publication Number Publication Date
AR222274A1 true AR222274A1 (en) 1981-04-30

Family

ID=3475825

Family Applications (1)

Application Number Title Priority Date Filing Date
AR28439081A AR222274A1 (en) 1981-02-20 1981-02-20 IMPROVEMENTS IN VENTILATION COLUMNS

Country Status (1)

Country Link
AR (1) AR222274A1 (en)

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