Baby-milk powder dispenser

作者: Rodney Lyall

DOI:

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摘要: A method of dispensing baby milk powder which comprises compacting the to its maximum extent in a measuring chamber, tubular member housing plunger so that chamber is defined between and an open end member, actuating dispense measured contents, dispenser for carrying out being designed indicate when compaction achieved.

参考文章(1)
Lew F Zehring, Register closure for bottles ,(1942)