List of patentees to whom patents were issued by the Philippines Patent Office during the period 1948-1961 with a subject index to patents

List of patentees to whom patents were issued by the Philippines Patent Office during the period 1948-1961 with a subject index to patents

Dettagli Bibliografici
Autore principale: Dumangas, Marianita Luspo 1948-
Natura: Libro
Lingua:English
Soggetti:
Patents > Philippines.