| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0033]FIG. 1A is a schematic cross sectional view showing one embodiment of the present invention; [0034]FIG. 1B is a schematic cross sectional view showing an enlarged portion of FIG. 1A; [0035]FIG. 2 is a schematic perspective view showing one embodiment of the present invention; [0036]FIG. 3 is a schematic view showing the external appearance of a frame utilize
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