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  1. 1
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5421414
    Date:
    5 September 1946 (28 September 1925 and 23 June 1926)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10994
    [Patent number 23906, sale numbers 290 and 314]. Title assigned by Library and Archives Canada. Patent granting Alfred Lafrance, Thomas F
  2. 2
    No digital object
    Archives / Collections and Fonds
    Item (linked)
    Textual material
    Item ID number:
    5421097
    Date:
    31 May 1944 (10 June 1926)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10992
    [Patent number 23521, sale numbers 308 and 309]. Title assigned by Library and Archives Canada. Patent granting Bernard Phillips and Ralph B
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