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Inventions and Their Management
作者
Alf Keyser Berle
出版1948
ISBN
WISC:89083905323
主題
Copyright
Inventions and Their Management ... Third Edition
作者
Alf Keyser BERLE (and DE CAMP (Lyon Sprague)) / Lyon Sprague De Camp
出版1951
ISBN
OCLC:556951760
Inventions and Their Management ... Second Edition...
作者
Alf Keyser BERLE (and DE CAMP (Lyon Sprague))
出版1947
ISBN
OCLC:556951265
Inventions and Their Management
作者
Alf Keyser Berle / Lyon Sprague De Camp
出版1940
ISBN
OCLC:2041607
主題
Copyright
Plant Location Study for the H. A. Johnson Compant
作者
Alf Keyser Berle / Maurice D. James
出版1927
ISBN
OCLC:37003287
Inventions, Patents, and Their Management
作者
Alf Keyser Berle / Lyon Sprague De Camp
出版1959
ISBN
STANFORD:36105044171846
主題
Copyright