Title: Multi-filament incandescent lamp
Application Number: 90110022 Application Date: 1990.12.17
Publication Number: 1062618 Publication Date: 1992.07.08
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01K1/44,H01K9/02
Applicant(s) Name: Pan Kexi Address: 156109
Inventor(s) Name:
Attorney & Agent:
Abstract:
     This multi-filament incandescent lamp has more than one filament in it and these filaments are used in order, that is, the second filament takes its action after the first one is burnt out and so on, so elongating the service life of a lamp by several times.
Time: 12
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