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Subject heading:
Inventions & Patents
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Available online :
Co-Lab contributions :
Source:
-
No digital objectArchives / Collections and FondsItem (linked)Textual material
- Date:
- 1933
- Source:
- Private
- Reference:
- MG26-K, Microfilm reel number: M-1255
-
No digital objectArchives / Collections and FondsItem (linked)Textual material
- Date:
- 1934 - 1935
- Source:
- Private
- Reference:
- MG26-K, Microfilm reel number: M-1255
-
No digital objectArchives / Collections and FondsItem (linked)Textual material
- Date:
- 1930 - 1932
- Source:
- Private
- Reference:
- MG26-K, Microfilm reel number: M-1255
![[Patents]](/images/folder-80.png){kind=small}
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