Philippines (Republic) Patent Office. (1962). Revised rules of practice before the Philippines Patent Office in trademark cases. Bureau of Printing.
Chicago-viite (17. p.)Philippines (Republic) Patent Office. Revised Rules of Practice Before the Philippines Patent Office in Trademark Cases. Manila: Bureau of Printing, 1962.
MLA-viite (9. p.)Philippines (Republic) Patent Office. Revised Rules of Practice Before the Philippines Patent Office in Trademark Cases. Bureau of Printing, 1962.
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