BR8107819A -
IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR
- Google Patents
IMPROVEMENT IN SPRING HINGE FOR FIRE DOOR
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Publication number
BR8107819A
BR8107819ABR8107819ABR8107819ABR8107819ABR 8107819 ABR8107819 ABR 8107819ABR 8107819 ABR8107819 ABR 8107819ABR 8107819 ABR8107819 ABR 8107819ABR 8107819 ABR8107819 ABR 8107819A
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Publication date
Application filed by Metalurgica Sao Nicolau S AfiledCriticalMetalurgica Sao Nicolau S A
Priority to BR8107819ApriorityCriticalpatent/BR8107819A/en
Publication of BR8107819ApublicationCriticalpatent/BR8107819A/en