Australia (770087), Belgium (1210675), Canada (2372362), Denmark (1210675), Finland (1210675),
France (1210675), Germany (1210675), India (231476), Italy (1210675), Japan (3883810),
Luxembourg (1210675), Mexico (233474), Netherlands (1210675), New Zealand (515007), Spain (1210675),
Sweden (1210675), Switzerland (1210675), United States (6175830B1, 6484166B1, RE42167)
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