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Replacement of detonators
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Industry
CPC
B61L5/24
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
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
Current Industry
B61L5/24
Replacement of detonators
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Patents Grants
last 30 patents
Information
Patent Grant
1748557
Patent number
1,748,557
Issue date
Feb 25, 1930
B61 - RAILWAYS
Information
Patent Grant
1383535
Patent number
1,383,535
Issue date
Jul 5, 1921
B61 - RAILWAYS
Information
Patent Grant
1330322
Patent number
1,330,322
Issue date
Feb 10, 1920
B61 - RAILWAYS