US PATENT SUBCLASS 968 / 86
.~ With the choice of adjustable or varying transmission ratio [G04B 13/00B]


Current as of: June, 1999
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968 /   HD   HOROLOGY

85  DD  GEARWORK (Gearwork for driving the hands subclass 140; calibers subclass 284; dispositions and components for transmission in general F16H) [G04B 13/00] {5}
86.~ With the choice of adjustable or varying transmission ratio [G04B 13/00B]