发明名称 Kayak improvements
摘要 The kayak improvements include a method for embedding a nut in the material of a kayak hull during a rotational molding process and structure for use with such an embedded nut to hold a frame in place.
申请公布号 US4489028(A) 申请公布日期 1984.12.18
申请号 US19820443594 申请日期 1982.11.22
申请人 MASTERS, WILLIAM E. 发明人 MASTERS, WILLIAM E.
分类号 B29C33/12;B29C41/04;B29C41/20;B63B5/24;(IPC1-7):B29C5/04 主分类号 B29C33/12
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