71631418
Jun 19, 1952
Aug 4, 1953
TOOLS, [ AND MACHINES ] AND PARTS THEREOF FOR USE IN SCREW CONNECTIONS-NAMELY,SCREW-THREAD-TAPPING TOOLS, [ COILING MACHINES FOR WIRE THREAD INSERTS, ] TOOLS FOR INSERTING AND EXTRACTING WIRE THREAD BUSHINGS, STAKING TOOLS FOR SECURING THREAD BUSHINGS IN BOSS MEMBERS [ , REAMERS, STUD DRIVERS, AND EXTRACTORS ]
Yarns and Threads