发明名称 Float device with at least one float body
摘要 The specification describes a float device with at least one float body which forms a support surface element and has at least one skin which is resistant to water and forms a chamber. The chamber is filled up at least partly with plastic foam having closed pores and extending along the whole inner periphery of the flexible skin.
申请公布号 US4009675(A) 申请公布日期 1977.03.01
申请号 US19740523663 申请日期 1974.11.14
申请人 ZOLLNER, NIKOLAUS WAKI;SCHWARK, HANFRIED F. 发明人 ZOLLNER, NIKOLAUS WAKI;SCHWARK, HANFRIED F.
分类号 B63C9/04;B63B5/24;B63B38/00;(IPC1-7):B63B5/24 主分类号 B63C9/04
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