By: john German Oct exports to U.S., Russia, UK rise FRANKFURT, Jan 7 (Reuters) - German exports to North America, Japan, Great Britain and Russia rose significantly in October last year, while sales to euro zone countries declined marginally, the German Federal Statistics Office said on Friday. Exports to the United States were up 12 percent year-on-year, indicating an unabated appetite for German products in the new world, the statistics office said. Shipments to Britain and Japan, up 5.7 and 12.6 percent respecitively, were noticably higher in October 1999 than a year earlier, it said. German exports to Russia were up 69.4 percent in October while exports to the 10 fellow euro zone countr