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publisher tools equipment parts industrial  countries mechanical parts  equipment mccarthy nick   ball valve ball valve ring e. barbosa washers (washer) rings outer rings in retaining rings on reducing brass brass fitting three brass union brass nut head bolts

publisher tools equipment parts industrial  countries mechanical parts  equipment mccarthy nick   ball valve ball valve ring e. barbosa washers (washer) rings outer rings in retaining rings on reducing brass brass fitting three brass union brass nut head bolts