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金属密封充气内胎气嘴 专利
专利类型: 实用新型, 专利号: CN2187123Y, 公开日期: 1995-01-11, 授权日期: 1995-01-11
Inventors:  曹格;  蔡惟勖;  王小刚;  李守厚;  张铁
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