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    Item ID number:
    5417046
    Date:
    17 July 1919 (12 October 1912)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10968
    [Patent number 18610, sale numbers 338 and 339]. Title assigned by Library and Archives Canada. Patent granting Arthur F. McGuire and William Sykes Sr
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