| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for preventing birds from coming flying, which is a simple apparatus, has a wide action range and produce secure effect. SOLUTION: The apparatus for preventing birds from coming flying has constitution that a plurality of magnets (1) rotatably attached to supporting shafts (2) are radially fixed to a revolving shaft (3) and the revolving shaft (3) is rotated by a driving force (4). COPYRIGHT: (C)2003,JPO
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