4. Optical: systems and elements
  5. Lens
  6. With variable magnification

Seng Chuen Chong

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Test instrument

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Design Patent

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Variable focus optic module and optic system

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Variable focus optic module and optic system

Optical: systems and elements – Lens – With variable magnification
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2366420

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