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Patents - vacuum packing
- Ref. No: SA/LE/1/8
- Format: File/Folder
- Date: 1977-1981
- Level: File
- Extent: 1 file
- Access: Open
Photocopies of patents issued by Belgium (No. 859088), Canada (No. 1086206), Switzerland (No. 620647, United Kingdom (No. 1547472) and the United States of America (No. 4229927) for the design of process and apparatus for vacuum packing. Invented by Timothy T. Day for use by J. Sainsbury Limited.
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