TREA

Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws

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Industry

  • CPC
  • B63H2001/122
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63HMARINE PROPULSION OR STEERING

Current Industry

B63H2001/122Single or multiple threaded helicoidal screws, or the like, comprising foils extending over a substantial angle; Archimedean screws
Industries