US PATENT SUBCLASS 451 / 919
WANKEL
Current as of: June, 1999
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DEFINITION
Classification: 451/919
WANKEL:
Disclosure particularly to abrading a trochoical cylinder.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines,
241, for a Wankel engine.
418, Rotary Expansible Chamber Devices,
61.2, for a Wankel-type expansible chamber device.