GENEVA, April 5 -- GUANGXI SIWEI MATERIALS TECHNOLOGY CO., LTD. (Room 1505, 15th Floor, Office Building B-4, Beibu Gulf Science Park Headquarters Base, 39 Zhuang Jin Avenue, Jiangnan DistrictNanning, Guangxi 530000), 广西四维材料科技股份有限公司 (中国广西壮族自治区南宁市江南区壮锦大道39号北部湾科技园总部基地B-4办公楼十五层1505号房) filed a patent application (PCT/CN2023/129224) for "COLORED DRY-MIXED FINE SAND CONCRETE AND CONSTRUCTIO...
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