4. Geometrical instruments
  5. Straight-line light ray type
  6. Structurally installed

Robert A. Closson

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Shock absorbing device for bows

Mechanical guns and projectors – Element – For archery projector
Patent

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Sighting device for use on bows

Mechanical guns and projectors – Element – For archery projector
Patent

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Sighting device for use on bows

Geometrical instruments – Straight-line light ray type – Structurally installed
Patent

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Profile ID: LFUS-PAI-P-582670

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