Title: Calendar instrument
Application Number: 01138205 Application Date: 2001.11.23
Publication Number: 1375806 Publication Date: 2002.10.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G09B27/08,G09D3/00
Applicant(s) Name: He Wenbin Address: 437500
Inventor(s) Name:
Attorney & Agent:
Abstract:
     The invention, a calendar apparatus refers to a kind of universal calendar, which relates to the rules of the earth rotation and revolution (bringing night
Time: 13
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