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3707627
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Information
Patent Grant
3707627
References
Source
Patent Number
3,707,627
Date Filed
Not available
Date Issued
Tuesday, December 26, 1972
52 years ago
CPC
B61L3/04 - controlling mechanically
B60T7/18 - operated by wayside apparatus
B60T17/228 - for railway vehicles
US Classifications
246 - Railway switches and signals
335 - Electricity: magnetically operated switches, magnets, and electromagnets
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