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

書誌詳細
第一著者: Dumangas, Marianita Luspo 1948-
フォーマット: 図書
言語:English
主題:
Patents > Philippines.