1. ຄໍານິຍາມຂອງ Paper Corner Protector Paper corner protector, ຊຶ່ງເອີ້ນກັນວ່າ edge board, paper edge protector, corner paperboard, edge board, angle paper, or paper angle steel, is made from Kraft paper and cow card paper through the complete set of corner. ອຸປະກອນປ້ອງກັນ...
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