최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0849364 (1977-11-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A surveyor\s rod apparatus including a plurality of sections which may be selectively connected together in end-to-end relationship to provide an elongated surveyor\s rod that is visible over relatively long distances regardless of obstructions including vegetation and terrain between the rod and a
A selectively extendable surveyor\s rod for use with a sighting instrument located in a remote position, comprising a generally rectangular base member having a generally flat first wall and a second wall disposed at an angle to said first wall, a first threaded projection extending outwardly from s
※ AI-Helper는 부적절한 답변을 할 수 있습니다.