ANSI B16.9 Seamless Unequal Tee, ASTM A234 WP11 Unequal Tee
ANSI B16.9 Seamless Unequal Tee, ASTM A234 WP11 Unequal Tee

铸铁人孔盖 | EN124 D400重型检修盖

高强度,重型铸铁井盖认证EN 124 D400具有优越的耐压性。坚实的整体结构提供稳定的负载能力,完美拟合市政道路,车道和重型交通工程项目。

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