Honor
A clamping device for petroleum machinery parts (Patent No.: ZL 2020 2 1880855.5)_01
A new type of petroleum machinery casing power tong (Patent No.: ZL 2020 2 1882144.1)_01
A small agricultural machinery irrigation device (Patent No.: ZL 2020 2 1884519.8)_01
A clamping device for petroleum machinery (Patent No.: ZL 2020 2 1805648.3)_01
A pipeline cleaning device for petroleum machinery (Patent No.: ZL 2020 2 1806471.9)_01
A petroleum machinery cooling device (Patent No.: ZL 2020 2 1777581.7)_01
A pipeline cutting device for petroleum machinery (Patent No.: ZL 2020 2 1776240.8)_01
A type of petroleum machinery installation drill string (Patent No.: ZL 2020 2 1720685.4)_01
An agricultural machinery fertilizer applicator (Patent No.: ZL 2020 2 1720363.X)_01
A traction device for agricultural machinery (Patent No.: ZL2020 2 1730480.4)_01
A mining machinery operation support platform (Patent No.: ZL2020 2 1704409.9)_01
A running deflection detection device for mining machinery (Patent No.: ZL2020 2 1704383.8)_01
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