RIO DE JANEIRO, Brazil, July 29 (Reuters) - Brazilian 2004/05(Feb/Jan) soybean exports were revised down to 19.8 million tonnes, from20.2 million tonnes seen July 1, Brazil's Vegetable Oils IndustryAssociation (Abiove) said on Thursday.Soymeal exports were also put lower at 15.2 million tonnes in 2004/05,against 15.5 million previously, but soyoil exports were left at 2.7million tonnes.In a monthly report, Abiove said that soy product export receipts wouldfall slightly to $9.70 billion, from $9.87 billion seen previously. Butthey will be well above last year's $8.1 billion.The reduction reflects lower prices in recent months and tradingproblems with China, Brazil's main market.Soybean imports 2004/05 are now put at 400,000 tonnes, down from500,000 tonnes previously.Soybean and soymeal stocks at the end of 2004/05 were revised up to800,000 tonnes and 762,000 tonnes respectively, from 500,000 and 462,000tonnes seen in the previous report.Other soy data were unchanged, including 2004/05 soybeans productionand crushing which are still seen at 50.6 million tonnes and 29.8 milliontonnes respectively.Abiove's estimates are based on data from 88 to 90 percent of the soysector.