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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0198299 (1980-10-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
Disclosed is a security device and method. The device includes a bolt having a first hole drilled radially therein, a second threaded hole drilled axially therein to intersect the first hole, and a third hole formed axially therein connecting the second hole with the end of the bolt. A bar is insert
A security device, which comprises: a cylindrical bolt having formed therein a radial first hole substantially perpendicular to the axis of said bolt, a threaded second hole formed coaxial with said bolt and intersecting said first hole, and a third hole formed coaxial with said second hole and conn
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