Propeller und damit ausgestattete Strömungsmaschine und/oder Antriebsmaschine
DISPOSITIF MOTORISE AVEC MOUVEMENT ALTERNATIF D'ORGANE DE LOCOMOTION ET PROCEDE DE PILOTAGE ASSOCIE
ELECTRIC FAN, ATTACHMENT TOOL, SADDLE TYPE TOOL, WHEEL TYPE TOOL, CLEANER AND WEARING ARTICLE
System for protecting a rotatable shaft of a motor from excessive bending moments
System for protecting a rotatable shaft of a motor from excessive bending moments
System For Protecting a Rotatable Shaft of a Motor from Excessive Bending Moments
System For Protecting a Rotatable Shaft of a Motor from Excessive Bending Moments
Game system for physical and intelligence development of child
Learning system for physical and intelligence development
DEVICE AND METHOD FOR CONVERTING RECIPROCATING MOTION INTO CONTINUOUS ROTATION, AND APPLICATION