US PATENT SUBCLASS 968 / 556
.~.~ Provided with automatic starting device [G04C 15/00B3]

Current as of: June, 1999
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968 /   HD   HOROLOGY

553  DD  CLOCKS DRIVEN BY SYNCHRONOUS MOTORS [G04C 15/00] {4}
554  DD  .~ Without power reserve [G04C 15/00B] {4}
556.~.~ Provided with automatic starting device [G04C 15/00B3]