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

Bibliographic Details
Main Author: Dumangas, Marianita Luspo 1948-
Format: Book
Language:English
Subjects:
Patents > Philippines.