Emery, George Frederick. Handy guide to patent law and practice. London: Effingham Wilson. 1904; Patents & Trademarks; xxxv, 361 p.: forms; 22 cm. 2nd ed., rev. and enl. with forms and precedents.
Emery, George Frederick. Handy guide to patent law and practice. London: Effingham Wilson. 1904; Patents & Trademarks; xxxv, 361 p.: forms; 22 cm. 2nd ed., rev. and enl. with forms and precedents.
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