Economics of the international patent system
Penrose E.T. Au.
Economics of the international patent system - New York Johns hopkins press U.S.A. 1951 - 247p cm.
19,048
Textual
Z:2673OX, J1
Economics of the international patent system - New York Johns hopkins press U.S.A. 1951 - 247p cm.
19,048
Textual
Z:2673OX, J1
