Mark with Letter A inside a keystone shape. | #179892

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  • Category: Metals
  • Classification: ...
  • Full company name: ...
  • Company location: ...
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  • Successor Company: ...
  • Dates of use: ...
  • Description: Letter A inside a keystone shape.
  • Material: ...
  • Application: ...
  • Color: ...
  • Notes: ...
  • Keywords: A
    keystone
  • Contributor: ...