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Patents, Designs and Trade Marks : a practical exposition of the nature, use and value in business of patents, design and trade marks, intended especially for businessmen, traders, manufacturers and inventors /Parsons, Charles S. - London Technical Press Ltd. 1938 - vii, 183p.

Subjects--Topical Terms:
Patent Agent
Patentability inventions
Patents and Design
Trademarks and Advertisement

Subjects--Index Terms: DESIGNS MARKS PATENTS TRADE

Universal Decimal Class. No.: 608