protective helmets 中文意思是什麼
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Protective helmets for drivers and passengers of snowmobiles and bobsleighs
摩托雪橇和大雪橇的駕駛員和乘客用防護帽 -
Protective helmets for drivers and passengers of snowmobiles and bobsleighs ; german version en 13781 : 2001
雪地汽車和滑雪長橇的駕駛員和乘客用防護帽;德文版 -
Approved protective helmets and seat belts legislative amendments
認可防護頭盔及安全帶（法例修訂） -
A1 : 1997 protective helmets for motorcycle, moped and motorized bike users
摩托車，機動自行車駕駛員用安全帽 -
Protective helmets for drivers and passengers of motorcycle and mopeds
摩托車和機動自行車的駕駛人員和搭乘人用防護頭盔 -
Protective helmets - test methods - electrical properties
防護帽.試驗方法.電氣特性 -
Protective helmets - test methods - part 8 : electrical properties
防護帽.試驗方法.第8部分:電氣特性 -
Protective helmets - test methods - part 7 : flame resistance
防護頭盔.試驗方法.第7部分:耐燃燒性 -
Protective helmets - test methods - conditions and conditioning
防護頭盔.試驗方法.條件和調節處理 -
1 protective helmets for drivers and passengers of motorcycle and mopeds erratum 1
摩托車和機動自行車的駕駛人員和搭乘人員用防護帽 -
Protective helmets - test methods - resistance to radiant heat
防護帽.試驗方法.耐熱輻射 -
Protective helmets - test methods - retention system strength
防護帽.試驗方法.系統強度保持 -
Protective helmets - test methods - retention system effectiveness
防護帽.試驗方法.系統效能保持 -
Protective helmets - test methods - part 6 : field of vision ; german version en 13087 - 6 : 2000
防護頭盔.試驗方法.第6部分:視覺范圍 -
Protective helmets - test methods - shock absorption
防護頭盔.試驗方法.減震 -
Protective helmets - test methods - part 2 : shock absorption
防護頭盔.試驗方法.第2部分:吸震 -
Protective helmets - test methods - field of vision
防護頭盔.試驗方法.視野 -
In the past three years, 62, 70 and 74 motor cyclists were prosecuted each year for wearing protective helmets that do not conform to the statutory requirements
在過去三年，分別有62 、 70及74名駕駛電單車人士因戴上不符合法例規定的防護頭盔而被檢控。 -
Protective helmets - test methods - part 5 : retention system strength
防護頭盔.試驗方法.第5部分:保持系統強度 -
Protective helmets - test methods - part 4 : retention system effectiveness
防護頭盔.試驗方法.第4部分:保持系統有效性
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