Electrical heating unit and pad
作者： Arthur W Bull , Glenn G Havens
DOI:
关键词: Unit (housing) 、 General practice 、 Mechanical engineering 、 Architectural engineering 、 Engineering
摘要: This invention relates to an electrical heating unit and pad, more particularly a portable flexible unit, pad embodying one or of these units in its construction. In the manufacture pads it has heretofore been general practice incorporate...
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