Document Type and Number:
Japanese Patent JPS4929537
Kind Code:
U
Application Number:
JP5660472U
Publication Date:
March 14, 1974
Filing Date:
May 15, 1972
Export Citation:
International Classes:
H05B3/20; F24D13/02; H05B3/28; (IPC1-7): F24D13/02; H05B3/28
Domestic Patent References:
| JPS3828977Y1 | ||||
| JPS4017503Y1 |
Foreign References:
| US2781439A | 1957-02-12 |