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1947 Helicoil Aero-thread screw insert aviation vintage brochures For Sale
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1947 Helicoil Aero-thread screw insert aviation vintage brochures:
$10.00
Hard to believe these have been in the file cabinet since 1947! With the original letter from the manufacturer, dated Oct 28, 1947, here are 3 Helicoil Aero-Thread screw fastener insert brochures. See photos for condition, but they are pretty mint for being 77 years old.
1947 Helicoil Aero-thread screw insert aviation vintage brochures $10.00
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