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CPC
B61L7/062
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61L
GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L7/00
Remote control of local operating means for points, signals, or trackmounted scotch-blocks
Current Industry
B61L7/062
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Patents Grants
last 30 patents
Information
Patent Grant
2608647
Patent number
2,608,647
Issue date
Aug 26, 1952
B61 - RAILWAYS
Information
Patent Grant
2604581
Patent number
2,604,581
Issue date
Jul 22, 1952
B61 - RAILWAYS
Information
Patent Grant
2324200
Patent number
2,324,200
Issue date
Jul 13, 1943
B61 - RAILWAYS
Information
Patent Grant
2231520
Patent number
2,231,520
Issue date
Feb 11, 1941
B61 - RAILWAYS
Information
Patent Grant
1649543
Patent number
1,649,543
Issue date
Nov 15, 1927
B61 - RAILWAYS
Patents Applications
last 30 patents