TRIDIMENSIONAL LOGICAL PUZZLE
A Standard patent application filed on 21 February 1984 credited to Ermolaev, Petr Pavlovich
;
Barbashin, Jury Gennadievich
Details
Application number :
26934
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
TRIDIMENSIONAL LOGICAL PUZZLE
Inventor :
Ermolaev, Petr Pavlovich
;
Barbashin, Jury Gennadievich