B9713资源列表

[国外标准] JIS B9713-4-2003 Safety of machinery-Permanent means of access to machinery-Part 4：Fixed ladders

[国外标准] JIS B9713-3-2004 Safety of machinery-Permanent means of access to machinery-Part3：Stairs, stepladder

[国外标准] JIS B9713-2-2004 Safety of machinery-Permanent means of access to machinery-Part 2：Working platforms

[国外标准] JIS B9713-1-2004 Safety of machinery-Permanent means of access to machinery-Part 1：Choice of a fixed