Inventor: Osiecki, Marian
Inventor: Osiecki, Marian
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: van der Knaap, Leonardus Johannus Maria
Inventor: Cornelis, Daniel
Inventor: van der Knaap, Leonardus Johannus Maria
Inventor: van der Knaap, Leonardus Johannus Maria
Inventor: Cornelis, Daniel
Inventor: Beers, Martinus Petrus
Inventor: Beers, Martinus Petrus
Inventor: Lamb, Ann Elizabeth, Knauss, Marianne E.
Inventor: Lamb, Ann Elizabeth, Knauss, Marianne E.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Olsthoorn, Petrus C. M.
Inventor: Cornelis, Daniel
Inventor: Cornelis, Daniel
Inventor: Brouwer, Wim A. J.