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Multifunctional foni yam'manja (mndandanda) - Multifunctional alumali mndandanda
- Hangzhou Yilang Industrial Co., Ltd._2019224701410_utility model patent certificate_20210312
- Hangzhou Yilang Industrial Co., Ltd._2020205365188_utility model patent certificate_20210312
- Hangzhou Yilang Industrial Co., Ltd._2020208930565_utility model patent certificate_20210226
- Alumali ambiri
- Mobile multifunctional foni chofukizira kwa bafa
