| http://www.w3.org/ns/prov#value | - Furthermore, the present invention is constructed and operated in a manner which is rugged in construction and simple in operation and particularly wherein one set of slips operates both anchoring slips for securing the retrieving tool in the wash-over pipe, as well as catching slips for engagement with the wash-over pipe upon a loosening of the stuck fish, thereby catching the loosened fish and p
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