TREA

Devices simultaneously raising and lowering alternate longitudinal strings previously mounted in a frame, to facilitate the threading of the crossstrings

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Industry

  • CPC
  • A63B2051/146
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Parent Industries

AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT

Current Industry

A63B2051/146Devices simultaneously raising and lowering alternate longitudinal strings previously mounted in a frame, to facilitate the threading of the crossstrings
Industries