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金融界汽车 on MSN
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必拓汽车用品取得能便于排放装置内空气的制冷剂充装管专利,便于 ...
金融界2025年8月2日消息,国家知识产权局信息显示,广州市增城区必拓汽车用品有限公司取得一项名为“一种制冷剂充装管”的专利,授权公告号CN223179094U,申请日期为2024年08月。
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