{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/137300572"
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        "http://www.w3.org/ns/prov#value" : [ "SUMMARY OF THE INVENTION One aspect of the present invention is a method for making a two-piece guide pin for metal forming dies, comprising the step of selecting an elongate, solid bar of steel guide pin body stock with a cylindrical shape and a hard and smooth finished exterior surface having a predetermined outside diameter selected for close reception in an associated die member bore for preci" ] ,
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