TREA

for form signals

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Industry

  • CPC
  • B61L7/106
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B61Railways B61LGUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC B61L7/00Remote control of local operating means for points, signals, or trackmounted scotch-blocks

Current Industry

B61L7/106for form signals
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1507493
    • Patent number 1,507,493
    • Issue date Sep 2, 1924
    • B61 - RAILWAYS

Patents Applicationslast 30 patents