ISO 24254:2007
润滑剂、工业用油和相关产品(L级).E族(内燃机油).四冲程循环摩托车汽油发动机和相关动力传动系统用油的规范(EMA和EMB类)
Lubricants, industrial oils and related products (class L) - Family E (internal combustion engine oils) - Specifications for oils for use in four-stroke cycle motorcycle gasoline engines and associated drivetrains (categories EMA and EMB)