Technologically Advanced atlas copco jack hammer -
yn27c manual gasoline rock drill /atlas copco rock drill bit/rock drill jack hammer Weight 27kg Overall dimension 746*315*229mm Type of engine single cylinder, air cooled, two stroke Cylinder Diameter *Stroke of piston 58*70mm Rotating speed of engine ≥2450r/m Displacement of engine 185cm3 Type of carburetor hand needle valve, no floating type Ignition system Controllable silicon ...
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