| 摘要 |
PCT No. PCT/NL96/00473 Sec. 371 Date Sep. 8, 1998 Sec. 102(e) Date Sep. 8, 1998 PCT Filed Dec. 2, 1996 PCT Pub. No. WO97/20730 PCT Pub. Date Jun. 12, 1997There is described a tugboat (1) having three azimuthal propelling units (10, 20, 30), two (10, 20) of which are juxtaposed below the stern (7), symmetrically relative to the main plane of symmetry (2), while the third azimuthal propelling unit (30) is disposed in the main plane of symmetry (2) the stern (6), preferably before the rearmost towing point (8). |
