DK57864C - Ventilation pipes. - Google Patents

Ventilation pipes.

Info

Publication number
DK57864C
DK57864C DK57864DA DK57864C DK 57864 C DK57864 C DK 57864C DK 57864D A DK57864D A DK 57864DA DK 57864 C DK57864 C DK 57864C
Authority
DK
Denmark
Prior art keywords
ventilation pipes
ventilation
pipes
Prior art date
Application number
Other languages
Danish (da)
Inventor
Niels Joergen Nielsen
Original Assignee
Niels Joergen Nielsen
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 Niels Joergen Nielsen filed Critical Niels Joergen Nielsen
Application granted granted Critical
Publication of DK57864C publication Critical patent/DK57864C/en

Links

DK57864D 1938-10-14 1938-10-14 Ventilation pipes. DK57864C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK57864T 1938-10-14

Publications (1)

Publication Number Publication Date
DK57864C true DK57864C (en) 1940-08-05

Family

ID=8145230

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57864D DK57864C (en) 1938-10-14 1938-10-14 Ventilation pipes.

Country Status (1)

Country Link
DK (1) DK57864C (en)

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