TY - BOOK AU - ʻImarī,Aḥmad Suwaylim TI - Barāʼat al-ikhtirāʻ AV - KRM1194 .I427 1966 PY - 1966///?] CY - [al-Qāhirah?] PB - al-Dār al-Qawmīyah lil-Ṭibāʻah wa-al-Nashr KW - Patent laws and legislation KW - Egypt N1 - Includes index ER -