Collection search - [Patent number 20723, sale numbers 2319 and 2340]
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Record information – Brief 
[Patent number 20723, sale numbers 2319 and 2340]
Hierarchical level:ItemDate:9 June 1936 (4 August 1920 and 30 May 1921)Reference:R216, RG10-D-11-a, Volume number: 10977Item no. (creator):20723Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:5418546Context of this record: -
Record information – Details Date(s):9 June 1936 (4 August 1920 and 30 May 1921)Place of creation:OntarioLanguage of material:EnglishScope and content:Additional name(s):Finding aid no.:Additional information:Subject heading:Source:GovernmentFormer archival reference no.: -
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