| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal cross sectional view of a typical prior art low pass microwave filter with parts shown in elevation; FIG. 2 is a similar longitudinal cross sectional view of a first embodiment of the present invention; FIG. 3 is a longitudinal cross sectional view of a second embodiment of the subject invention; FIG. 4 is a perspective view of yet a third
|
