GENEVA, March 8 -- SHENZHEN TUOZHU TECHNOLOGY CO., LTD. (Room 201, Building A, No. 1 First Qianwan Road, Qianhai Shengang Cooperation ZoneShenzhen, Guangdong 518000), 深圳拓竹科技有限公司 (中国广东省深圳市前海深港合作区前湾一路1号A栋201室(入驻深圳市前海商务秘书有限公司)) filed a patent application (PCT/CN2023/137710) for "SPOOL HOLDER FOR 3D PRINTER, 3D PRINTER, AND 3D PRINTING SYSTEM" on Dec 09, 2023. With publication no. WO/2025/043955, the details...
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