DK57864C - Ventilationsrør. - Google Patents

Ventilationsrør.

Info

Publication number: DK57864C
Authority: DK; Denmark
Prior art keywords: ventilation pipes; ventilation; pipes
Prior art date: 1938-10-14

Application number

Other languages

English (en)

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.)

1938-10-14

Filing date

1938-10-14

Publication date

1940-08-05

1938-10-14 Application filed by Niels Joergen Nielsen filed Critical Niels Joergen Nielsen

1940-08-05 Application granted granted Critical

1940-08-05 Publication of DK57864C publication Critical patent/DK57864C/da

Links

DK57864D 1938-10-14 1938-10-14 Ventilationsrør. DK57864C (da)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=8145230

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK57864D DK57864C (da)	1938-10-14	1938-10-14	Ventilationsrør.

Country Status (1)

Country	Link
DK (1)	DK57864C (da)

1938
- 1938-10-14 DK DK57864D patent/DK57864C/da active

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