CA146135A - Boite d'avertisseur a incendies pour systemes telephoniques - Google Patents

Boite d'avertisseur a incendies pour systemes telephoniques

Info

Publication number
CA146135A
CA146135A CA000146135A CA146135DA CA146135A CA 146135 A CA146135 A CA 146135A CA 000146135 A CA000146135 A CA 000146135A CA 146135D A CA146135D A CA 146135DA CA 146135 A CA146135 A CA 146135A
Authority
CA
Canada
Prior art keywords
fire alarm
telephone systems
alarm box
box
telephone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000146135A
Other languages
English (en)
Inventor
John Erickson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENIO GENERAL ELECTRIC Co
Original Assignee
DENIO GENERAL ELECTRIC Co
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 DENIO GENERAL ELECTRIC Co filed Critical DENIO GENERAL ELECTRIC Co
Application granted granted Critical
Publication of CA146135A publication Critical patent/CA146135A/fr
Expired legal-status Critical Current

Links

CA000146135A 1912-09-09 1912-09-09 Boite d'avertisseur a incendies pour systemes telephoniques Expired CA146135A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA146135T 1912-09-09

Publications (1)

Publication Number Publication Date
CA146135A true CA146135A (fr) 1913-02-25

Family

ID=45265850

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000146135A Expired CA146135A (fr) 1912-09-09 1912-09-09 Boite d'avertisseur a incendies pour systemes telephoniques

Country Status (1)

Country Link
CA (1) CA146135A (fr)

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