Patent office hand book.
Patent office hand book.
- 2d ed.
- Karachi, Manager of Publications, 1962.
- 311 p. 25 cm.
sa 63000161
Patent laws and legislation--Pakistan.
KPL1142 / .P35 1962
sa 63000161
Patent laws and legislation--Pakistan.
KPL1142 / .P35 1962