手持式电动工具的安全 第2部分:锤类工具的专用要求
Safety of hand-held motor-operated electric tools-Part 2:Particular requirements for hammers
Safety of hand-held motor-operated electric tools-Part 2:Particular requirements for hammers
Safety of motor-operated hand-held , transportable and garden tools-Part 2:Particular requirements for drills and impact drills
Safety of motor-operated hand-held, transportable electric tools and lawn andgarden tools-Part 1;General requirements
Safety of motor-operated hand-held, transportable electric tools and lawn andgarden tools-Part 1;General requirements
Sets of torshear type high strength bolt hexagon nut andplain washer for steel structures
Metallic materials-Vickers hardness test-nPart 1:Test method
Mechanical properties of fasteners-Bolts ,screws and studs
General purpose metric screw threads-Tolerances
Specifications of high strength bolts with large hexagon headlarge hexagon nuts,plain washers for steel structures
Bonded abrasive products-Hardness grade measurement