Ref No442-B/1/B/4
TitleBritish Steel - Patents
Description1. Correspondence re patents - copper-Tellurium Steels, 1969-1970 (120K)
2. Patents - general file, 1969-1971 (120 E)
3. Patent 44882/70 Economiser for Arc Furnace, 1971

Previous Number: 23688
Date1969-1971
FormatTypescript
Extent3 Files
Access StatusOpen
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