CH26430A - Device for people in closed rooms to enable open air breathing - Google Patents

Device for people in closed rooms to enable open air breathing

Info

Publication number
CH26430A
CH26430A CH26430A CH26430DA CH26430A CH 26430 A CH26430 A CH 26430A CH 26430 A CH26430 A CH 26430A CH 26430D A CH26430D A CH 26430DA CH 26430 A CH26430 A CH 26430A
Authority
CH
Switzerland
Prior art keywords
people
open air
air breathing
closed rooms
enable open
Prior art date
Application number
CH26430A
Other languages
German (de)
Inventor
Ignaz Etrich
Original Assignee
Ignaz Etrich
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 Ignaz Etrich filed Critical Ignaz Etrich
Publication of CH26430A publication Critical patent/CH26430A/en

Links

CH26430A 1902-04-11 1902-04-11 Device for people in closed rooms to enable open air breathing CH26430A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH26430T 1902-04-11

Publications (1)

Publication Number Publication Date
CH26430A true CH26430A (en) 1903-08-31

Family

ID=4238350

Family Applications (1)

Application Number Title Priority Date Filing Date
CH26430A CH26430A (en) 1902-04-11 1902-04-11 Device for people in closed rooms to enable open air breathing

Country Status (1)

Country Link
CH (1) CH26430A (en)

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