PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In view of the purpose of provision of the earthing layer or the power supply layer, it is required for the inner layer to carry a pattern continued all over the entire plane of the printed circuit board except portions which are not electrically connected to peripheral portions of the terminal insertion holes 3 (hereinafter, referred to as clearance holes).
http://www.w3.org/ns/prov#wasQuotedFrom
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