Breast pump attachment to a household vacuum cleaner A breast pump for extracting milk from a human breast includes a bell- shaped member that receives at least a portion of the female breast. A receiving container connects to the bell-shaped member that stores the milk after it has been e....
As colloidal particles can not enter into a double-structural molding tool obtained in this manner though transmitting water, no clogging is generated but drying efficiency is improved by evaporating water by blowing heated air into the molding tool or applying vacuum suction to the inside of the ...
The vacuum generator includes: a head body including a lower combination part combined with the upper part of the collection pipe to be airtight, and a... CJ Ung,JW Kang,WH Jun,... 被引量: 0发表: 2020年 Accumulating and conveying container for bulk material The utility model relates to...
Encourages teachers to regain the Sophistic awareness that no teaching is done in a social and political vacuum, that teachers must make judgments about wh... S Crowley - 《Rhetoric Review》 被引量: 13发表: 1989年 THE SURGEON AND THE PATHOLOGIST.A PLEA FOR RECIPROCITY AS ILLUSTRATED BY THE ...