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1.发明授权Integrally formed self-sealing valve having additionally integral means to render valve airtight 失效整体形成的自密封阀具有额外的整体手段对变形阀空气
公开(公告)号：US3523563A
公开(公告)日：1970-08-11
申请号：US3523563D
申请日：1967-09-26
Applicant: MIRANDO LOUIS
Inventor： MIRANDO LOUIS
CPC classification number: F16K15/202 , Y10T137/3662
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