B41L 39/14
Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or
Official title: Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors
B41L39/14 (Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or) appears on 0 US grants and 1 published applications in this corpus.
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