MACHINE TOOLS-NAMELY, BORING, DRILLING AND MILLING MACHINES, AUTOMATIC TOOL CHANGING MECHANISMS, CUTTING TOOLS AND HOLDERS THEREFOR, AND CONTROLS FOR AUTOMATIC OPERATION OF SAID MACHINES (( AND MECHANISMS )) TO PERFORM BORING, DRILLING, MILLING, TAPPING, THREADING AND REAMING FUNCTIONS, AND PARTS AND ATTACHMENTS THEREFOR

MACHINE TOOLS-NAMELY, DRILLING, BORING, AND MILLING MACHINES