Alarm device that main shaft coal prevention for repetitive clear of a signal loaded

The utility model discloses an alarm device that main shaft coal prevention for repetitive clear of a signal loaded, including body subassembly and transportation assembly, the body subassembly includes lifting machine, bracing piece, drive machine, pivot, driving chain, gear frame and gusset plate,...

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1. Verfasser: BAO RUIJIE
Format: Patent
Sprache:chi ; eng
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