Original document(7 pages)  中文版
    The invention relates to a timer system of head gear tooth-variable system, wherein it uses tooth-variable head gear; it changes the tooth number to change the rotation range, to form the timer, with wide application, to reduce the production period.
Application Number
申请号		 200610052917 Application Date
申请日		 2006.08.14
Title 名称 Head gear variable teeth series mechanical timer travel time system
Publication Number
公开号		 1909140 Publication Date
公开日		 2007.02.07
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H01H43/10;G04B13/00;G04F3/02
Applicant(s) Name
申请人		 Xu Guolin
Address 地址
Inventor(s) Name 发明人 Xu Guolin
Attorney & Agent 代理人
More information 更  多  信  息


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