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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0931608 (1978-08-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 1 |
A security device for a boat propellor that is retained by a releasable lock to a propellor shaft has been developed and is disclosed as including cover means to prevent access to the releasable lock on the propellor shaft, and means for releasably retaining the cover means to the propellor to preve
A security device for a boat propellor that is retained by a releasable lock to a propellor shaft, comprising cover means to prevent access to the releasable lock on the propellor shaft, means for releasably retaining the cover means to the propellor to prevent unauthorized removal of the boat prope
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