| http://www.w3.org/ns/prov#value | - ear on constructional drawings, but drawings in the nature of flow sheets may bear descriptive matter to show the materialsused and the chemical or other reactions or treatments effected in carrying out the invention. (2) Drawings showing a number of instruments or units of apparatus and their interconnections, eithermechanical or electrical, where each such instrument or unit is shown only symbol
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