■材质： 锌合金 ■Matorial： Zinc Alloy ■表面处理：亚光铬 ■S.Tr：Gray chrome plated ■特征：三点式,转动锁芯带动连杆上下移动,锁芯用推板式保护盖 ■Feature：Three-point type.Turn the lever to initiate vertical movement of the latch bars.The latch is covered with push-type lid ■连杆传动行程：上、下端各20m/m
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