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IEC 60335-1中:Surfaces of handles, knobs, grips and similar parts which are held for short periods only innormal use (e.g. switches): 塑料把手限值:60k;
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) r1 F; R+ R- F7 W3 x: O, Y) D3 x(e.g. soldering irons):塑料把手限值:50k。
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问题:这个short period 和 continuously有标准规定具体的时间判断吗?4 E. U4 [+ V# i
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