Gerrit Jan Droogers

Person

  • Gouda, NL

Patents Applicationslast 30 patents

  • Information Patent Application

    MACHINE FOR DISPLACING FLUID

    • Publication number 20100196138
    • Publication date Aug 5, 2010
    • Gerrit Jan Droogers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES