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

Chi tiết về thư mục
Tác giả chính: Dumangas, Marianita Luspo 1948-
Định dạng: Sách
Ngôn ngữ:English
Những chủ đề:
Patents > Philippines.