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353-06504
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600-01913
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U.S. PATENT COMPOUND DIRECT ACTING 1869
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600-01914
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U.S. PATENT STEAM JET 1845 ROTARY STEAM ENGINE
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600-01915
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600-01790
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367-00003
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367-00003
AFFYMETRIX SCANNER CIRCA 2003 GENE RESEARCH
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367-00004
AFFYMETRIX SCANNER CIRCA 1989 GENE RESEARCH