DK72965C - Device for ventilation shafts. - Google Patents

Device for ventilation shafts.

Info

Publication number
DK72965C
DK72965C DK244148A DK244148A DK72965C DK 72965 C DK72965 C DK 72965C DK 244148 A DK244148 A DK 244148A DK 244148 A DK244148 A DK 244148A DK 72965 C DK72965 C DK 72965C
Authority
DK
Denmark
Prior art keywords
ventilation shafts
ventilation
shafts
Prior art date
Application number
DK244148A
Other languages
Danish (da)
Inventor
Joseph Cuthbert Akester
Thomas Wylie
Original Assignee
Joseph Cuthbert Akester
Thomas Wylie
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 Joseph Cuthbert Akester, Thomas Wylie filed Critical Joseph Cuthbert Akester
Application granted granted Critical
Publication of DK72965C publication Critical patent/DK72965C/en

Links

DK244148A 1946-04-23 1948-08-05 Device for ventilation shafts. DK72965C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB72965X 1946-04-23

Publications (1)

Publication Number Publication Date
DK72965C true DK72965C (en) 1951-08-20

Family

ID=9830381

Family Applications (1)

Application Number Title Priority Date Filing Date
DK244148A DK72965C (en) 1946-04-23 1948-08-05 Device for ventilation shafts.

Country Status (1)

Country Link
DK (1) DK72965C (en)

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