GB 19758-2005 摩托车和轻便摩托车排气烟度排放限值及测量方法
部分标准内容：中华人民共和国G家标准
CB19758
Limits and measurement methods for exhaust smoke emissionsfrommotorcycles andmopeds
GB XXXXX-2005
GBXXXXX-2005
GBXXXXX-2005
Limits and measurement methods for exhaust smoke emissionsfrommotorcyclesandmopeds
CB14622
B17930
SH/T0675
motorcyclesandmopeds
）opacity
L(m) eff ective opti cal pat h Iengt hK (m') Iight absorption coeffici ent(K),
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