Propeller shaft bearings, thrust bearings

Industry

  • CPC
  • B63B2750/00
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-stage watertight chamber

    • Patent number 9,139,277
    • Issue date Sep 22, 2015
    • Chien-Chung Kang
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents