| http://www.w3.org/ns/prov#value | - Examples of construction... 5 US20120261630 LOCK FOR A PORTABLE PROTECTIVE FENCE A lock for a fence, the lock including a seat having an opening configured to receive a socket and a lock plate rotatably coupled to the seat and configured to be coupled to a fence pole protruding... 6 US20120175187 LADDER WITH GUARD RAIL In a first aspect there is a combination hollow-runged ladder with guardrails i
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