DE128209C - - Google Patents

Info

Publication number
DE128209C
DE128209C DENDAT128209D DE128209DA DE128209C DE 128209 C DE128209 C DE 128209C DE NDAT128209 D DENDAT128209 D DE NDAT128209D DE 128209D A DE128209D A DE 128209DA DE 128209 C DE128209 C DE 128209C
Authority
DE
Grant status
Grant
Patent type
Application number
DENDAT128209D

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00Audible signalling systems; Audible personal calling systems
DENDAT128209D DE128209C (en)

Publications (1)

Publication Number Publication Date
DE128209C true DE128209C (en)

Family

ID=396754

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT128209D DE128209C (en)

Country Status (1)

Country Link
DE (1) DE128209C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553138A (en) * 1981-09-28 1985-11-12 Yoshitaka Nakanishi Fire alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553138A (en) * 1981-09-28 1985-11-12 Yoshitaka Nakanishi Fire alarm system