1. Patents for inventions and the registration of industrial designs

پدیدآورنده :

کتابخانه: Library of Faculty of Law and Political Science of Tehran University (Tehran)

موضوع : Patent laws and legislation-- Gt. Brit,Design protection-- Gt. Brit

رده :
KN114
.
1
.
A1W5
1962

2. Patents for inventions, and the registration of industrial designs

پدیدآورنده :

کتابخانه: Library of Islamic Parliament (Tehran)