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成城交大建材新专利:让减水剂罐装更轻松!
大家好,今天分享一个令人兴奋的消息!北京成城交大建材有限公司近日获得了一项非常实用的专利,名字叫“一种减水剂罐装设备”。这项专利的授权公告号是CN222006139U,申请日期是在2024年4月份。听起来是不是挺高大上的?
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