43572 ⎘
Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from several pieces
FLUID PUMP HAVING A PISTON AND A SUPPORTING BODY BEARING THE PISTON FOR SEALING
#2REDUCED COMPRESSION HEIGHT PISTON AND PISTON ASSEMBLY THEREWITH AND METHODS OF CONSTRUCTION THEREOF
#3Auxiliary device for installing piston rings
#4Seal and method of manufacturing and/or using same
#5Reduced compression height piston and piston assembly therewith and methods of construction thereof
#6Compression piston ring for an internal combustion engine
#7Method for the production of a piston for an internal combustion engine