标准名称：JIS B9713-1-2004 Safety of machinery-Permanent means of access to machinery-Part 1：Choice of a fixed means of between two levels
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更新日期：2011年10月26日
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JIS B9713-1-2004 Safety of machinery-Permanent means of access to machinery-Part
1：Choice of a fixed means of between two levels
1：Choice of a fixed means of between two levels
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