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PIETON ATEL DU
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PIETON ATEL DU
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Publication of FR722510ApublicationCriticalpatent/FR722510A/en
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR722510D1930-10-181931-09-07
Switching device for switches
ExpiredFR722510A
(en)