国家/地区 中国（3）
IPC部 F（3）
IPC大类 F16（3）
IPC小类 F16B（3）
IPC
发明人
公开年 2023（3）
申请年 2022（3）
专利权人

Waterproof graphene splicing rock plate structure, has holes sequentially arranged with equal distance from up to down, where left and right ends of reinforcing steel bar are respectively inserted on first groove and second groove.

HONG J, XU X, YOU M, WANG J, HONG W, HONG F

Preparing coating for screw thread, comprises e.g. providing workpieces with screw thread, pretreating screw thread part of workpieces with screw thread; sandblasting workpiece with screw thread after pretreatment; and preheating workpiece with screw thread after sandblasting.

SUN J, WANG Y, WANG L, LI R, SONG X, LIU X

Energy management micro-control device for industrial production enterprise, has air pump controller fixedly installed in inner part of sleeve frame, where upper and lower sides of conduit bracket are equipped with rubber suction disc.

HE R