13 Patents
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- US117199132023Optical Imaging System Including Seven Lenses of ++-+-+-, - +-+-+-, ++---+- or ++-+++- Refractive Powers
ZHEJIANG SUNNY OPTICAL CO., Ltd.
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- US115860192023Optical Imaging System Including Seven Lenses of +−++−+−, +−++++− or +−+++−− Refractive Powers
Zhejiang Sunny Optical Co., Ltd.
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