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昆山西玛输送装备有限公司申请输送机保护开关专利,达到发出停机 ...
金融界2024年12月10日消息,国家知识产权局信息显示,昆山西玛输送装备有限公司申请一项名为“输送机保护开关”的专利,公开号 CN 119092329 A,申请日期为2024年10月。
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