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

Detalles Bibliográficos
Autor Principal: Dumangas, Marianita Luspo 1948-
Formato: Libro
Idioma:English
Subjects:
Patents > Philippines.