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<p>Book digitized by Google from the library of the University of California and uploaded to the Internet Archive by user tpb.
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<br>Subjects: patented; improvement; combination; consists; manner; claim; purpose; arrangement; lever; set; improvement consists; patented august; patented june; patented july; annual report; patented october; patented march; patented november; patented january; patented april</div>
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