Soft-sided waterbed

作者: John B. Johenning

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摘要: Waterbed having a plurality of cushioning bolsters extending peripherally the mattress, with elongated reinforcing elements longitudinally bolsters. Adjacent ones are connected together at corners bed in manner permitting to move each other. A liner water impervious material extends beneath mattress and along inner sides bolsters, decorative cover layer upper outer is sealed top

参考文章(3)
Robert C. Autrey, John W. Connolly, Waterbed mattress construction ,(1978)