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Utility model patents

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Utility model patents
A cutting device for a bearing packaging film
A multiple belt fastening PEX pipe fitting
A quenching device for a double-row tapered roller seal bearing housing extrusion mold of a carburizing steel
A single or double row cylindrical roller bearing press roller fixture device
A quenching salt pot device with a heat preservation lid
A device for protecting the descaling of the furnace mouth cooling water pipe of a protective atmosphere heat treatment furnace
A double row cylindrical roller bearing and tapered roller bearing combined bearing with outer ring teeth
A double row tapered roller bearing and cylindrical roller bearing combined bearing with teeth on the outer ring
A special disc cage for cylindrical roller bearing
A kind of cross roller bearing with cylindrical roller and ball
A kind of cross roller bearing with taper roller and ball
A descaling device for cooling water pipe at furnace mouth of heat treatment furnace with protective atmosphere
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