Collection search - [Patent number 21212, sale numbers 2284, 2312 and 2356]
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Record information – Brief 
[Patent number 21212, sale numbers 2284, 2312 and 2356]
Hierarchical level:ItemDate:11 June 1928 (1 May 1920, 30 July 1920 and 6 December 1923)Reference:R216, RG10-D-11-a, Volume number: 10981Item no. (creator):21212Type of material:Textual materialFound in:Archives / Collections and FondsItem ID number:5418939Context of this record: -
Record information – Details Date(s):11 June 1928 (1 May 1920, 30 July 1920 and 6 December 1923)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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