DK5431C - Device to enable outdoor breathing for persons who are in places with hazardous air. - Google Patents

Device to enable outdoor breathing for persons who are in places with hazardous air.

Info

Publication number
DK5431C
DK5431C DK5431DA DK5431C DK 5431 C DK5431 C DK 5431C DK 5431D A DK5431D A DK 5431DA DK 5431 C DK5431 C DK 5431C
Authority
DK
Denmark
Prior art keywords
persons
places
hazardous air
enable outdoor
breathing
Prior art date
Application number
Other languages
Danish (da)
Inventor
Ignaz Etrich
Original Assignee
Ignaz Etrich
Publication date
Application granted granted Critical
Publication of DK5431C publication Critical patent/DK5431C/en

Links

DK5431D Device to enable outdoor breathing for persons who are in places with hazardous air. DK5431C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK4604T

Publications (1)

Publication Number Publication Date
DK5431C true DK5431C (en) 1903-02-16

Family

ID=27820965

Family Applications (2)

Application Number Title Priority Date Filing Date
DK5431D DK5431C (en) Device to enable outdoor breathing for persons who are in places with hazardous air.
DK4604D DK4604C (en) Device to enable outdoor breathing for persons staying in places with hazardous air.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK4604D DK4604C (en) Device to enable outdoor breathing for persons staying in places with hazardous air.

Country Status (1)

Country Link
DK (2) DK4604C (en)

Also Published As

Publication number Publication date
DK4604C (en) 1902-03-03

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