SH/T 0648-1997水冷二冲程汽油机油--清净性及一般性能评定法-仪器网
行业标准

SH/T 0648-1997 水冷二冲程汽油机油--清净性及一般性能评定法

Lubricants test method for evaluating detergence and general performance of water-cooled two-stroke gasoline engine

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