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    Item ID number:
    5417657
    Date:
    24 February 1921 (20 September 1906)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10971
    [Patent no. 19499, sale no. 349]. Ley (Ont.) Title assigned by Library and Archives Canada. Patent granting Raymond W. Pillsbury and Irving W
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