4. Fluid handling
  5. Line condition change responsive valves
  6. Direct response valves

Willi Kussel

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Coal face support in a mine

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine
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Control mechanism for the extension units in the longwall...

Mining or in situ disintegration of hard material – Automatic control; signaling or indicating – Of hard material disintegrating machine
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Coupling for explosion-proof connection of two electric line...

Movable or removable closures – Closure movement actuated retractable sealing – guiding or... – Resilient means swings strip to retracted position
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Device for illuminating the stope support at a longwall face

Electric lamp and discharge devices: systems – Plural load device systems – Electric switch in the supply circuit
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Electrically controlled actuating element on a machine

Communications: electrical – Continuously variable indicating – With meter reading
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Profile ID: LFUS-PAI-P-2373593

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