发明名称 WATER PURIFICATION SYSTEM
摘要 <p>Portable water purifier (10) comprising an elongated tube (25) having a filtering agent (13, 15, 17), a bactericidal agent (14) and an adsorbent material (16) retained in the tube. The user supplies suction from the mouth to draw water through the tube for filtering out foreign material and purifying the water prior to use. </p>
申请公布号 WO1982000256(A1) 申请公布日期 1982.02.04
申请号 US1981000965 申请日期 1981.07.17
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