Document Type and Number:
Japanese Patent JPS56143723
Kind Code:
U
Application Number:
JP4015180U
Publication Date:
October 29, 1981
Filing Date:
March 28, 1980
Export Citation:
International Classes:
F21V21/36; (IPC1-7): F21V21/36
Domestic Patent References:
| JPS4413661Y1 | 1969-06-07 |