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Patents and associated documents: Patent no. 583240; improvements in electric heating means for kilns, patentee- Mintons Ltd and Arthur John Campbell
- Finding Number: SD 1705/MS711
- Date: 28 June 1944
- Level: Item
- Extent: 1 item
- Description: With printed specification.
Grouped with SD 1705/MS708-MS711A.
- Access Status: Open