Foam dispensing device
作者： Sen-Li Tseng
DOI:
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摘要: A foam dispensing device includes an outer tube connecting with a liquid container. lower and upper are partially received in the tube. The has guide chamber defined therein which second inlet therein. piston is connected for selectively sealing inlet. spring compressibly abuts against sleeves on mixing communicating chamber. An air movably at least one hole guiding into head nozzle formed thereon.
lens.org 参考文章(10)
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