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- [6] GLASS TUBE LINED STEEL PIPE - EXTENDS USE OF STEEL PIPE IN CHEMICAL PLANT METALLURGIA, 1971, 83 (496-): : 71 - &
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- [10] WORLD SITUATION IN MARKET OF ARTIFICIAL MANURES UNTIL 1980 PRZEMYSL CHEMICZNY, 1975, 54 (05): : 269 - 273