Oil, gas and air filters for motors and engines in the form of precious metal foam; exhaust gas catalytic converters in the form of precious metal foam; catalytic converters for motors and engines in the form of precious metal foam; catalytic converters being parts of vehicle exhausts in the form of precious metal foam; air filters being parts of motors and engines for mechanical purposes in the form of precious metal foam; exhaust gas filters for motors and engines and machines in the form o...

Oil, gas and air filters for motors and engines, in particular in the form of precious metal foam; catalytic converters, in particular in the form of precious metal foam; catalytic converters for motors and engines, in particular in the form of precious metal foam; catalytic converter units for vehicle exhausts, in particular in the form of precious metal foam; air filters for mechanical purposes, in particular in the form of precious metal foam; exhaust gas filters for motors and engines and...