CH44291A - Schallsichere Frensprechzelle - Google Patents

Schallsichere Frensprechzelle

Info

Publication number
CH44291A
CH44291A CH44291A CH44291DA CH44291A CH 44291 A CH44291 A CH 44291A CH 44291 A CH44291 A CH 44291A CH 44291D A CH44291D A CH 44291DA CH 44291 A CH44291 A CH 44291A
Authority
CH
Switzerland
Prior art keywords
soundproof
open cell
cell
open
soundproof open
Prior art date
Application number
CH44291A
Other languages
English (en)
Inventor
Haftung Isolierw Beschraenkter
Original Assignee
Isolierwerk Ges Mit Beschraenk
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 Isolierwerk Ges Mit Beschraenk filed Critical Isolierwerk Ges Mit Beschraenk
Publication of CH44291A publication Critical patent/CH44291A/de

Links

CH44291A 1908-06-10 1908-06-10 Schallsichere Frensprechzelle CH44291A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH44291T 1908-06-10

Publications (1)

Publication Number Publication Date
CH44291A true CH44291A (de) 1909-07-16

Family

ID=4275956

Family Applications (1)

Application Number Title Priority Date Filing Date
CH44291A CH44291A (de) 1908-06-10 1908-06-10 Schallsichere Frensprechzelle

Country Status (1)

Country Link
CH (1) CH44291A (de)

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