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    Item ID number:
    5420888
    Date:
    27 April 1942 (6 June 1917)
    Source:
    Government
    Reference:
    R216, RG10-D-11-a, Volume number: 10991
    [Patent number 23275, sale numbers 404 and 405]. Title assigned by Library and Archives Canada. Patent granting AT Laclair and Lynn W
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