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19 小时
武汉船用机械取得螺纹插装式截止阀专利
金融界 2025 年 4 月 25 日消息,国家知识产权局信息显示,武汉船用机械有限责任公司取得一项名为“一种螺纹插装式截止阀”的专利,授权公告号 CN114776656B,申请日期为 2022 年 4 月。
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