Document Type and Number:
Japanese Patent JPS55106232
Kind Code:
U
Application Number:
JP1913580U
Publication Date:
July 24, 1980
Filing Date:
February 19, 1980
Export Citation:
International Classes:
E02B7/20; E02B7/40; (IPC1-7): E02B7/40
Domestic Patent References:
| JPS4842554B1 | 1973-12-13 | |||
| JPS4842554A | 1973-06-20 |