Title: General ballast
Application Number: 85102180 Application Date: 1985.04.01
Publication Number: 1003370 Publication Date: 1986.09.17
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01F17/04
Applicant(s) Name: Lin Shuyi Address:
Inventor(s) Name: Geng Liming, Lin Shuyi, Peng Yuchen
Attorney & Agent:
Abstract:
     This invention includes three types. Every enterprise can reform its products according to this invention.
Time: 13