| http://www.w3.org/ns/prov#value | - Other objects and a fuller understanding of this invention may be had by referring to the following description and claims, taken in conjunction with the accompanying drawings, in which: BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal side view of a tube fitting embodying the features of my invention with a portion shown in section to illustrate the location of the sleeve, the view bein
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