FI51281C - Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten. - Google Patents

Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten.

Info

Publication number
FI51281C
FI51281C FI751925A FI751925A FI51281C FI 51281 C FI51281 C FI 51281C FI 751925 A FI751925 A FI 751925A FI 751925 A FI751925 A FI 751925A FI 51281 C FI51281 C FI 51281C
Authority
FI
Finland
Prior art keywords
shelters
pressure valve
ventilation systems
ventilation
systems
Prior art date
Application number
FI751925A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI51281B (online.php
Inventor
H Schauman
S Alinikula
Tapio Ketola
Original Assignee
Finska Flaektfabriken
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 Finska Flaektfabriken filed Critical Finska Flaektfabriken
Priority to FI751925A priority Critical patent/FI51281C/fi
Publication of FI51281B publication Critical patent/FI51281B/fi
Application granted granted Critical
Publication of FI51281C publication Critical patent/FI51281C/fi

Links

FI751925A 1975-06-30 1975-06-30 Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten. FI51281C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI751925A FI51281C (fi) 1975-06-30 1975-06-30 Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI751925A FI51281C (fi) 1975-06-30 1975-06-30 Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten.

Publications (2)

Publication Number Publication Date
FI51281B FI51281B (online.php) 1976-08-31
FI51281C true FI51281C (fi) 1976-12-10

Family

ID=8509306

Family Applications (1)

Application Number Title Priority Date Filing Date
FI751925A FI51281C (fi) 1975-06-30 1975-06-30 Paineventtiili, erikoisesti väestönsuojien ilmanvaihtojärjestelmää var ten.

Country Status (1)

Country Link
FI (1) FI51281C (online.php)

Also Published As

Publication number Publication date
FI51281B (online.php) 1976-08-31

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: AB FINSKA FLAEKTFABRIKEN-SUOMEN PUHALLIN-