DIN 20317:2014-02 Rock drilling - Round thread connections for percussive drilling equipment - Dimensions, design
标准编号:DIN 20317:2014-02
英文标题:Rock drilling - Round thread connections for percussive drilling equipment - Dimensions, design
德文标题:Gesteinsbohren - Rundgewindeverbindungen für Schlagbohrgestänge - Maße, Ausführung
发布日期:2014-02
标准预览图


