Inventor: Dekker, Adrianus
Inventor: Hambali, Gregori G.
Inventor: Hambali, Gregori Garnadi, Knauss, Marianne E.
Inventor: Stommel, John R., Griesbach, Robert J.
Inventor: Stommel, John R., Griesbach, Robert J.
Inventor: Griesbach, Robert J., Stommel, John R.
Inventor: Valstar, Oscar R.
Inventor: Valstar, Oscar R.
Inventor: Hambali, Gregori Garnadi