使用 Abraa 安全交易系统进行安全可靠的支付 產品規格
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Product Descriptions
D-2550 SERIES - BEST FOR STOCK PURPOSE
ADJUSTABLE CLOSING FORCE 1 THROUGH 4.
TWO INDEPENDENT CLOSING SPEED ADJUSTABLE VALVES.
STANDARD/PARALLEL/TOP JAMB/TRACK-RAIL APPLICATIONS
FOR FIRE DOOR
LOW OPENING RESISTANCE
NON-HANDED
STANDARD BACKCHECK
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