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classificationCode:("ipc:e21d")
Crawler-type double-cab unit support carrying robot for mining storage battery
Engine-driven crawler-type bidirectional driving unit support carrying robot
Mining motor-driven rubber wheel type double-cab unit bracket transfer robot
Big-gradient crossheading step-forward self-moving equipment train
Storage battery crawler-type bidirectional driving unit support carrying robot
Mining engine-driven crawler-type double-cab unit support carrying robot
Unit type supporting system and unit type support gob-side entry retaining method
Electrically-driven crawler-type bidirectional driving unit support carrying robot
Engine-driven rubber wheel type bidirectional driving unit support carrying robot
Storage battery driven rubber wheel type bidirectional driving unit support carrying robot