GENEVA, Dec. 28 -- SHANGHAI COMMUNICATIONS CONSTRUCTION CONTRACTING CO., LTD. (Building 26, No. 2501 Pudong AvenuePudong New Area, Shanghai 200136), 上海交通建设总承包有限公司 (中国上海市浦东新区浦东大道2501号26幢) filed a patent application (PCT/CN2024/138645) for "SIX-POINT TRUSS-TYPE SAND PUMPING AND LIFTING DEVICE FOR MATTRESS LAYING VESSEL AND USE METHOD" on Dec 12, 2024. With publication no. WO/2025/260647, the details related to the patent application was published on Dec 26, 2025.

Notably, the patent application was submitted under the International Patent Classifica...