UK Patent # 445,527 - Brivex

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UK Patent # 445,527 - Brivex

UK Patent # 445,527 - Brevix main image

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Publisher: UK Intellectual Property Office
Inventor: Martin Albin Bergegårdh
Country: UK
Date: Priority date December 1934
Derailleur brands: Brivex
Derailleurs: Brivex

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