FI49748C - Smoke extraction hatch. - Google Patents

Smoke extraction hatch.

Info

Publication number
FI49748C
FI49748C FI129273A FI129273A FI49748C FI 49748 C FI49748 C FI 49748C FI 129273 A FI129273 A FI 129273A FI 129273 A FI129273 A FI 129273A FI 49748 C FI49748 C FI 49748C
Authority
FI
Finland
Prior art keywords
smoke extraction
extraction hatch
hatch
smoke
extraction
Prior art date
Application number
FI129273A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI49748B (en
Inventor
Esko Muukka
Original Assignee
Puijon Teraes O Kettunen
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 Puijon Teraes O Kettunen filed Critical Puijon Teraes O Kettunen
Priority to FI129273A priority Critical patent/FI49748C/en
Publication of FI49748B publication Critical patent/FI49748B/fi
Application granted granted Critical
Publication of FI49748C publication Critical patent/FI49748C/en

Links

FI129273A 1973-04-24 1973-04-24 Smoke extraction hatch. FI49748C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI129273A FI49748C (en) 1973-04-24 1973-04-24 Smoke extraction hatch.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI129273A FI49748C (en) 1973-04-24 1973-04-24 Smoke extraction hatch.

Publications (2)

Publication Number Publication Date
FI49748B FI49748B (en) 1975-06-02
FI49748C true FI49748C (en) 1975-09-10

Family

ID=8505386

Family Applications (1)

Application Number Title Priority Date Filing Date
FI129273A FI49748C (en) 1973-04-24 1973-04-24 Smoke extraction hatch.

Country Status (1)

Country Link
FI (1) FI49748C (en)

Also Published As

Publication number Publication date
FI49748B (en) 1975-06-02

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