Patents, designs and trade marks. A Prac
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Levy, Stanley I.
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Article
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1938
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Wiley (John Wiley & Sons)
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## CHEIIISl'HY A N D INDUSTRY 801 tablc wlticlt' might prow uscfiil in routine work. l'hc book contnins a large nnd \~nlunblc l)ibliography, and its printing nnd 1)inding 4 ~1 v c littlc to bo desired. Ir. ,J. 15.