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    Item ID number:
    5421061
    Date:
    27 April 1944 (25 July 1933 and 26 September 1933)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10992
    [Patent number 23480, sale numbers 57 and 57A ]. Title assigned by Library and Archives Canada. Patent granting James H. Ackles and Margaret Ellen Brown Frl 
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