4. G - Physics
  5. 02
  6. B

Roscoe J. Donnel

G - Physics – 02 – B

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Gas zoom lens

G - Physics – 02 – B
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Mechanically compensated zoom lens system

G - Physics – 02 – B
Patent

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Mechanically compensated zoom lens system

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Variable magnification lens system

G - Physics – 02 – B
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Zoom lens assembly

G - Physics – 02 – B
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Profile ID: LFCA-PAI-P-135743

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