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-0111592 (1987-10-23) |
우선권정보 | DE-8628284 (1986-10-23) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 24 인용 특허 : 3 |
A filter cartridge for cleaning oil of an oil sealed vacuum pump which comprises a cartridge housing, the cartridge housing being releasably mounted to the vacuum pump; filter materials including at least two types of filters having different characteristics, the filter materials including the filte
A filter cartridge for cleaning oil contained in an oil sealed vacuum pump comprising: a cartridge housing, said cartridge housing being releasably mountable to the vacuum pump; a fluid path defined in said cartridge housing; and at least two types of filtering means having respectively different ch
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