73589909
Mar 25, 1986
Mar 8, 1988
[ SHAPES, FORMS AND PROFILES OF METALS AND THEIR ALLOYS; AND CASTINGS OF METALS AND THEIR ALLOYS ]
Metal GoodsMACHINES FOR MAKING PLASTIC FOAM PATTERNS FOR USE IN AN EVAPORATIVE PATTERN CASTING PROCESS; AND, MACHINES FOR MAKING CASTINGS BY AN EVAPORATIVE FOAM PATTERN PROCESS
Machinery