List of patentees to whom patents were issued by the Philippines Patent Office during the period 1962-1966 with a subject index to patents [microform]
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | Visual Material |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Quezon City
Photoduplication Service, University of the Philippines Library
1977.
|
| Ábhair: |