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[国外标准] IEC 60811-505-2012 Electric and optical fibre cables-Test methods for non-metallic materialsPart 505

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P:2024-12-03 13:27:19

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IEC 60811-505-2012.pdf

IEC 60811-505-2012 Electric and optical fibre cables-Test methods for non-metallic materialsPart 505: Mechanical tests- Elongation at low temperature for insulationsand sheaths.pdf

screw raising and lowering device - 螺杆升降装置 （0） 投诉

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