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BR8107819A - IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR - Google Patents

IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR

Info

Publication number
BR8107819A
BR8107819A BR8107819A BR8107819A BR8107819A BR 8107819 A BR8107819 A BR 8107819A BR 8107819 A BR8107819 A BR 8107819A BR 8107819 A BR8107819 A BR 8107819A BR 8107819 A BR8107819 A BR 8107819A
Authority
BR
Brazil
Prior art keywords
improvement
fire door
spring hinge
hinge
spring
Prior art date
Application number
BR8107819A
Other languages
Portuguese (pt)
Inventor
Jose Vieira Da Silva
Original Assignee
Metalurgica Sao Nicolau S A
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 Metalurgica Sao Nicolau S A filed Critical Metalurgica Sao Nicolau S A
Priority to BR8107819A priority Critical patent/BR8107819A/en
Publication of BR8107819A publication Critical patent/BR8107819A/en

Links

BR8107819A 1981-11-27 1981-11-27 IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR BR8107819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8107819A BR8107819A (en) 1981-11-27 1981-11-27 IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8107819A BR8107819A (en) 1981-11-27 1981-11-27 IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR

Publications (1)

Publication Number Publication Date
BR8107819A true BR8107819A (en) 1983-08-23

Family

ID=4029567

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8107819A BR8107819A (en) 1981-11-27 1981-11-27 IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR

Country Status (1)

Country Link
BR (1) BR8107819A (en)

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