EXCAVATION AND CONSTRUCTION MACHINERY COMPONENTS, NAMELY, BOOMS FOR EXCAVATORS INCLUDING AN INTEGRAL COUPLER FOR OPERATIVELY AND PIVOTABLY CONNECTING AN ARM OR DIPPER STICK OR SECOND-MEMBER IMPLEMENT TO THE BOOM; BOOMS FOR BACKHOES INCLUDING AN INTEGRAL COUPLER FOR OPERATIVELY AND PIVOTABLY CONNECTING AN ARM OR DIPPER STICK OR SECOND-MEMBER IMPLEMENT TO THE BOOM
Machinery