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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0910438 (1978-05-30) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
Measuring receptacle means comprising a plurality of cup members, each having an open top and bottom, with a removable bottom closure means in common with the cup members. Each cup member is of a different volume than the other cup members. Removable bottom plate means slidably closes the bottoms of
Measuring receptacle means comprising: (a) a plurality of cup members with vertically straight side walls, each such member having an open top and bottom, with each cup member having a different volume than the other cup members; (b) a removable bottom plate placeable to slidably close the bottom of
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