Supplemented Material—8631 , 1986 補われた素材ー8631 ( Oginawareta Sozai—8631 ) Plywood, putty 20 1/2 x 17 3/4 x 1 inches  52 x 45 x 2.5 centimeters

Supplemented Material—8631, 1986
補われた素材ー8631 (Oginawareta Sozai—8631)
Plywood, putty
20 1/2 x 17 3/4 x 1 inches
52 x 45 x 2.5 centimeters