Principles of Patent Law for the Chemical and Metallurgical IndustriesChemical Catalog Company, 1931 - 481 lappuses |
Saturs
CHAPTER IHISTORY THEORY AND NATURE OF PATENTS | 7 |
CHAPTER IICLASSES OF PATENTABLE INVENTIONS | 58 |
CHAPTER IIIPERSONS ENTITLED TO LETTERS PATENT | 136 |
Autortiesības | |
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