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-0876450 (1992-04-30) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
A backwasher is provided and consists of three essential elements. A back element for retaining a resilient nonabsorbent pillow-like member in conjunction with a front engaging member which attaches to the rear member by means of frictionally engaging a cloth-like material extended over the surface
A backwasher comprising a resilient member, a facecloth, a framed cavity securely and removably holding said resilient member in said cavity, said frame cavity having means for attaching said frame cavity securely and permanently to a wall, said framed cavity comprising a securing means securing sai
※ AI-Helper는 부적절한 답변을 할 수 있습니다.