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- catalog contributor b6446361.
- catalog contributor b6446362.
- catalog contributor b6446363.
- catalog created "1924.".
- catalog date "1924".
- catalog date "1924.".
- catalog dateCopyrighted "1924.".
- catalog extent "3 p. ℓ., v-vii, 138 p.".
- catalog issued "1924".
- catalog issued "1924.".
- catalog language "eng".
- catalog publisher "New York, The Norman W. Henley Publishing Company,".
- catalog subject "Inventions.".
- catalog subject "Patents.".
- catalog subject "T339 .H75 1924".
- catalog title "Inventor's manual, how to work a patent to make it pay; a guide for inventors, in perfecting their inventions, taking out their patents, and disposing of them, and cautions as to pitfalls for the unwary, by George M. Hopkins ... revised by A.A. Hopkins ...".
- catalog type "text".