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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
B61L5/026—Mechanical devices for operating points or scotch-blocks, e.g. local manual control fixing switch-rails to the driving means
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Mechanical Engineering
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FR488817D1917-05-291918-02-06
Improvements to changes for railway track
ExpiredFR488817A
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