Ref NoNUMDA/10/4/3/1
Acc No2008/4
TitleHeadquarters' interpretations
DescriptionOfficial interpretations of various directives etc divided into Section A - Coalmining, Section B - Coke and by-products, Section C - Patent fuel and briquetting and Section D - Ancillaries.
At front, record of amendments;subject index coding lists for sub-section title and worker classification title;alphabetical list of contents with Ms additions
Date1953-1961
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