Switchgear contact

Railway draft appliances – Couplings – Counterpart

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D13175

Patent

active

D03200043

REFERENCES:
patent: 1327844 (1920-01-01), Schaefer
patent: 1917862 (1933-07-01), Wadsworth
patent: 1935598 (1933-11-01), Koppitz
patent: 2709793 (1955-05-01), Johansson
patent: 3789919 (1988-12-01), Cox et al.
patent: 4078162 (1978-03-01), Turner
Multi clips on p. 38, of Electrical Construction & Maintenance, '85-'86 Yearbook.

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