Inventions patents and trade marks
Meinhardt Peter
Inventions patents and trade marks - London Gower 1971 - xvii, 397p cm.
Bibliography: P 373-76
General Book
Great Britain Law
Z3,2673, L1
Inventions patents and trade marks - London Gower 1971 - xvii, 397p cm.
Bibliography: P 373-76
General Book
Great Britain Law
Z3,2673, L1
