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AN BREVETTI ARTURO PEREGO SOC
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AN BREVETTI ARTURO PEREGO SOC
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Application filed by AN BREVETTI ARTURO PEREGO SOCfiledCriticalAN BREVETTI ARTURO PEREGO SOC
Application grantedgrantedCritical
Publication of FR840448ApublicationCriticalpatent/FR840448A/fr
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
B61L5/20—Audible signals, e.g. detonator audible signalling
B61L5/206—Signalling means for special purposes
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR840448D1937-07-291938-07-07Dispositif de signalisation automatique des changements de direction d'un ou de plusieurs véhicules à trolley
ExpiredFR840448A
(fr)