Patentable inventions and designs and rights of the patentee under the patent law [microform]
| Váldodahkki: | |
|---|---|
| Materiálatiipa: | Visual Material |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
Quezon City
Photoduplication Service, University of the Philippines Library
1975.
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| Fáttát: |