CN102709362B CN201210141804.4A CN201210141804A CN102709362B CN 102709362 B CN102709362 B CN 102709362B CN 201210141804 A CN201210141804 A CN 201210141804A CN 102709362 B CN102709362 B CN 102709362B Authority CN China Prior art keywords bolt assembly mounting bracket limiting plate socket Prior art date
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CN209245612U CN201822033779.3U CN201822033779U CN209245612U CN 209245612 U CN209245612 U CN 209245612U CN 201822033779 U CN201822033779 U CN 201822033779U CN 209245612 U CN209245612 U CN 209245612U Authority CN China Prior art keywords side bar aluminium main side connection structure hole Prior art date
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CN219953880U CN202321471166.2U CN202321471166U CN219953880U CN 219953880 U CN219953880 U CN 219953880U CN 202321471166 U CN202321471166 U CN 202321471166U CN 219953880 U CN219953880 U CN 219953880U Authority CN China Prior art keywords screw fixedly connected deformation piece head Prior art date 2023