Clippard also offers the captivated push button for use with a large variety of stem operated valves.
Clippard还提供了一种新的干多种经营的大型阀门使用迷住按钮。
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Stem-cell research remains a hot-button issue, but according to a new study, more people who've stored frozen embryos during fertility treatments are willing to donate them for stem-cell research.