ZoomFromJan 3, 1984ToDec 25, 2012Number of issued Mechanical, Chemical, Electrical patents1986198819901992199419961998200020022004200620082010201205001,0001,5002,0002,5003,0003,5001985199019952000200520101m3m6mYTD1yAllHighcharts.comExport to raster or vector imagePrint the chart
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