发明名称 A TIMEPIECE FOR GEOMETRICALLY SYNCHRONIZED TIME INDICATIONS
摘要 <p>A clock display mechanism including circular discs or rings (4.4) which rotate within a fixed circular plane or ring (4.1) to indicate minutes and hours by providing that one rotating ring or disc acts as a geometrical link between the indication of minutes and the indication of hours.</p>
申请公布号 WO1993024867(A1) 申请公布日期 1993.12.09
申请号 US1993005092 申请日期 1993.05.24
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