Minimal national standards complex fertilisers industries: with or without straight nitrogenous and phosphatic fertilisers
Central Board for the Prevention and Control of Water Pollution
text
biography
Delhi
Central Board for the Prevention and Control of Water Pollution
monographic
10p.
by Central Board for the Prevention and Control of Water Pollution
Fertiliser Industry-Standards
Water Pollution
Pollution
O91 M664
Comprehensive Industry Document Series: Coinds/25/1984-85
180718