GB/T 19724-2020林业机械便携式油锯和割灌机易引起火险的排放系统标准
英文:Forestry machinery—Portable chain-saws and brush-cutters—Exhaust system-caused fire risk GB/T 19724-2020介绍: 国家标准《林业机械...
英文:Forestry machinery—Portable chain-saws and brush-cutters—Exhaust system-caused fire risk GB/T 19724-2020介绍: 国家标准《林业机械...