efco grinding and lapping compound - opera-parciparla.ch
Efco Rotago Stationery Ball Valve Lapping Machine. Efco Rotago Stationery Ball Valve Lapping Machine, such as valve seats, mechanical shaft seals, disks, etc Automatic and finely adjustable lapping compound f, NSW Contact Seller Quoted to Customer Spec 3 1 Efco Portable Valve Testing, Turning, Grinding Lapping Machines from Efco Please see the PDF call for additional information ....