2023年7月25日发(作者：)
专利内容由知识产权出版社提供专利名称：RESILIENT GATE VALVE STRUCTURE发明人：ROBERT P. NYBOER申请号：US3645497D申请日：19701014公开号：US3645497A公开日：19720229摘要：A valve structure that includes an elongate valve body through which alongitudinal bore extends, said structure including a transversely and longitudinallymovable resilient valve member for control of a flowable material through said bore. Thevalve structure is particularly adapted for use in the field of dentistry on aspiratorinstruments, but may be used equally well in the control of a flowable material from afirst zone to a second enclosed zone that is maintained at a negative pressure relative tosaid first zone.申请人：ROBERT P. NYBOER更多信息请下载全文后查看
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