US PATENT SUBCLASS 968 / 558
.~.~ Provided with means for checking sense of rotation [G04C 15/00B5]
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}
558
.~.~ Provided with means for checking sense of rotation [G04C 15/00B5]
