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J Stone and Co Ltd
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J Stone and Co Ltd
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Application grantedgrantedCritical
Publication of FR670651ApublicationCriticalpatent/FR670651A/fr
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
H02K23/18—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having displaceable main or auxiliary brushes
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Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
FR670651D1928-03-301929-03-01Perfectionnements aux balais de dynamos et aux bornes de contact
ExpiredFR670651A
(fr)