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thumbtack with clamp / thumbtack

thumbtack with clamp

这是一种产品结合销和夹。 这个产品的优势是它拿着照片,不损坏钉的过程。 夹有V形切口,更方便更换图片,不需要拔针。

University

GUANGDONG INDUSTRY TECHNICAL COLLEGE

GUANGDONG INDUSTRY TECHNICAL COLLEGE
Guangzhou, China

Design

GUANGDONG INDUSTRY TECHNICAL COLLEGE

GUANGDONG INDUSTRY TECHNICAL COLLEGE
Guangzhou, China

Yang chun , Kuang wenwen