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

Detaylı Bibliyografya
Yazar: Dumangas, Marianita Luspo 1948-
Materyal Türü: Kitap
Dil:English
Konular:
Patents > Philippines.