Daim ntawv thov (patent) No.: CN202210257549.3 Hnub Thov: Lub Peb Hlis 16, 2022 Kev Tshaj Tawm / Tshaj Tawm No.: CN114441352A Tshaj tawm / tshaj tawm hnub: Tsib Hlis 6, 2022 Tus neeg thov (patent txoj cai): Tianjin Bosi Testing Co., Ltd. , Yuan Lingjun, Wang Deli, Yan ...
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