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-0172022 (1980-07-24) |
우선권정보 | GB-0027912 (1979-08-10) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 3 |
A ball or plug valve comprises a ball or plug having a through bore which is rotatable in a metal body to control the flow of fluid through a passage in the body. The ball can be rotated from the exterior of the body by means of a metal stem which is rotatably received in an opening in the metal bod
A firesafe fluid control valve comprising a body made of firesafe material and having both a fluid passage therethrough and a stepped opening therein, a valve member mounted in said body for movement between a first position in which said valve member permits fluid flow through the fluid passage and
※ AI-Helper는 부적절한 답변을 할 수 있습니다.