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JOSEPH CAUZETTE
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JOSEPH CAUZETTE
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Application filed by JOSEPH CAUZETTEfiledCriticalJOSEPH CAUZETTE
Application grantedgrantedCritical
Publication of FR445868ApublicationCriticalpatent/FR445868A/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
B61L5/20—Audible signals, e.g. detonator audible signalling
B61L5/24—Replacement of detonators
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR445868D1912-07-081912-07-08
Multiple firecracker holder for railway signals
ExpiredFR445868A
(en)