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This standard specifies the magnetic particle inspection and assessment methods for internal combustion engine connecting rods. Th
This standard specifies the technical requirements, inspection methods, inspection rules and marking, packaging, transportation, s
This standard specifies the metallographic structure, inspection method and evaluation of the intake and exhaust valves of interna
This standard specifies the magnetic particle inspection and evaluation method for the intake and exhaust valves of internal combu
This standard refers to ISO 4183-14980, ISO 2790-1980 and IS 255-1981. JB/T 6718-1993 Technical conditions for internal combustion
This standard specifies the evaluation indicators and limits for anti-vibration of the handrails of walking tractors. This standar
This standard specifies the minimum dimensions of doorways, emergency exits and the driver's workstation of agricultural tractors.
This standard specifies the location and measurement method of the marking points of the driver's seat of agricultural tractors. T