73748783
Aug 29, 1988
Apr 4, 1989
MACHINES AND MACHINE TOOLS, NAMELY PNEUMATICALLY OPERATED CORE KNOCKOUT MACHINES FOR IMPACTING AND VIBRATING MOLD CORES TO EFFECT REMOVAL OF MOLD CORES FROM NEWLY MOLDED METAL PARTS, AND COMPONENTS THEREOF; PNEUMATICALLY OPERATED GRINDERS, AND COMPONENTS THEREOF
Machinery