Mating plate in friction engagement device
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United States of America Patent
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May 5, 1992
Issued Date -
N/A
app pub date -
Sep 6, 1991
filing date -
May 21, 1990
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Abstract
A mating plate in a friction engagement device comprises a steel core plate provided with a chromium plating whereby kinetic friction coefficient is improved and its change with the passage of time may be suppressed.
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