Uni-ball UMR-87E — Signo 307 ve 207 Plus+ kalemlerinde kullanılan 0,7 mm'lik jel mürekkep yedeğidir13.
Bu yedek, yüksek kaliteli, suya ve ışığa dayanıklı, sahtekarlığa karşı korumalı mürekkep içerir 13. Ayrıca, mürekkep çabuk kurumaz, arşivleme için uygundur ve uç kısmı paslanmaz çelikten yapılmıştır 3.
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kalemlerinde kullanılan 0,7 mm'lik jel mürekkep yedeğidir** [```1```](https://unsharpen.com/refill/uni-ball-umr-87e/)[```3```](https://www.aktuelofis.com/tr/uni-ball-umr-87-umn-207-jel-kalem-refili-0-7mm-mavi).\n\nBu yedek, **yüksek kaliteli, suya ve ışığa dayanıklı, sahtekarlığa karşı korumalı mürekkep** içerir [```1```](https://unsharpen.com/refill/uni-ball-umr-87e/)[```3```](https://www.aktuelofis.com/tr/uni-ball-umr-87-umn-207-jel-kalem-refili-0-7mm-mavi). Ayrıca, mürekkep çabuk kurumaz, arşivleme için uygundur ve uç kısmı paslanmaz çelikten yapılmıştır [```3```](https://www.aktuelofis.com/tr/uni-ball-umr-87-umn-207-jel-kalem-refili-0-7mm-mavi).","sources":[{"sourceId":1,"url":"https://unsharpen.com/refill/uni-ball-umr-87e/","title":"Uni-Ball UMR-87E Gel Refill | Unsharpen","shownUrl":"https://unsharpen.com/refill/uni-ball-umr-87e/"},{"sourceId":2,"url":"https://www.mp-uni.com/th/en/product/refill-umr-87e/","title":"Refill UMR-87E | UNI THAILAND","shownUrl":"https://www.mp-uni.com/th/en/product/refill-umr-87e/"},{"sourceId":3,"url":"https://www.aktuelofis.com/tr/uni-ball-umr-87-umn-207-jel-kalem-refili-0-7mm-mavi","title":"Uni-Ball UMR-87 (UMN-207) Jel Kalem Refili 0.7Mm Mavi","shownUrl":"https://www.aktuelofis.com/tr/uni-ball-umr-87-umn-207-jel-kalem-refili-0-7mm-mavi"},{"sourceId":4,"url":"https://www.avansas.com/uni-ball-umr-87-signo-roller-kalem-yedegi-0-7-mm-mavi-p-81901","title":"Uni-Ball Umr-87 Signo Roller Kalem Yedeği... | 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