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Books by Wienecke, August & Hermann Bohm (inventors).

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ORIGINAL PRINTED PATENT APPLICATION NUMBER 18,625 FOR A PROTECTOR FOR POINTED OBJECTS SUCH AS HAT PINS, TIE PINS AND THE LIKE. (1909)
ORIGINAL PRINTED PATENT APPLICATION NUMBER 18,625 FOR A PRO…
By: Wienecke, August & Hermann Bohm (inventors).
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