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WIPO Knowledge Repository 4 records found Search took 0.12 seconds. 
\( \def\WIPO{World Intellectual Property Organisation} \)
1.
New York : Clark Boardman Callaghan, 1975.
Spanish | G 110 ROS.P |
2.
Buffalo, New York : The Patent and Trademark Office Society, 1971.
English | 47 US |
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