Metal handrail with braille insert

Building units and construction elements – Prefabricated unit – Railing unit or fence

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D25125

Patent

active

D03534677

REFERENCES:
patent: D317205 (1991-05-01), Johansson
patent: D335353 (1993-05-01), Baker
patent: D344807 (1994-03-01), Abbaticchio
patent: 3556017 (1970-10-01), Lucas
patent: 3718991 (1973-03-01), Kafafian
patent: 4220316 (1980-09-01), Naka et al.
patent: 4805879 (1989-02-01), Spera
patent: 5027741 (1991-07-01), Smith et al.
patent: 5065837 (1991-11-01), Szudy
patent: 5161975 (1992-11-01), Andrews
patent: 5284444 (1994-02-01), Raynes

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