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    Item ID number:
    5418246
    Date:
    27 May 1924 (3 November 1909)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10976
    [Patent number 20268, sale numbers 111 and 112]. Title assigned by Library and Archives Canada. Patent granting WA Kenning and Chrystine Watson Frl
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