nbkxhwd@163.com 发表于 2018-1-11 13:05:57

DIN 14811 Fire hoses;

DIN 14811-1 1990 Fire hoses; requirements, testing, treatment

DIN 14811-2 1977 Fire hoses; pressure loss test

DIN 14811-3 1977 Fire hoses; abrasion test

DIN 14811-4 1976 Fire hoses; test of behaviour under the influence of a flame

admin 发表于 2018-1-15 11:13:35

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