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[国外标准] IEC 60079-14-2013 Explosive atmospheres Part 14: Electrical installationsdesign, selectionand erection

P:2026-03-13 08:23:59

1

Explosive atm 。spheres -

Part 14: Electrical installati 。ns design, selecti 。n and erecti。n


wire telephone - 有线电话 (0) 投诉

P:2026-09-05 07:10:41

2

还好

far-end crosstalk loss - 远端串音损耗 (0) 投诉

2


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