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[国外标准] BS EN 50265-2-2:1999 Common test methods for cables under fire conditions-Test for resistance to vertical flame propagation for a single insulated conductor or cable-Part 2-2:Procedures-Diffusion flame

872144467

P:2019-09-19 08:43:32

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BS EN 50265-1-1999 & BS EN 50265-2-2_1999

BS EN 50265-2-2:1999 Common test methods for cables under fire conditions-Test for resistance to vertical flame propagation for a single insulated conductor or cable-Part 2-2:Procedures-Diffusion flame.pdf

optical fiber vocabulary - 光纤专业词汇 （0） 投诉

tjdeanl

P:2023-11-07 14:54:04

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中文版的有吗

double-twist flyer-type high speed stranding machine - 弓式双节距高速绞线机 （0） 投诉

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