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    Item ID number:
    5420554
    Date:
    28 April 1937 (19 November 1931)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10989
    [Patent number 22901, sale numbers 116 and 117]. Title assigned by Library and Archives Canada. Patent granting Thomas E. Spenser lot 18 Block 11 and lot 13 
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