Protected distribution system
作者： Donald B. Wold , James D. Toher , John W. Ramsay , James Delahanty
DOI:
关键词:
摘要: An information transmission system comprising a conductor operable to carry desired signal. A first tube substantially surrounds the and second define fluid-tight chamber therebetween. In another aspect, invention provides an suited transmit between electronic device located distance from device. The includes line that connects conduit at least portion of line. defines chamber. quantity fluid is disposed within sensor positioned measure parameter fluid. indicator signal breach condition in response measured parameter.
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