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Short desc: 100 Years of patents
Issuer: Netherlands Date: 2/9/2010 Occasion: unset Consists of 10 stamps: (See stamps as list) 44(c) d=Submarine Cornelis Drebbel 1920 perf=13.25x12.75 44c d=LED lighting Philips 2007 perf=13.25x12.75 44c 44c 44c 44c 44c 44c 44c 44c All are dt=Dutch inventions Record of changes |
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