Document Type and Number:
Japanese Patent JPS51140539
Kind Code:
U
Application Number:
JP6064075U
Publication Date:
November 12, 1976
Filing Date:
May 07, 1975
Export Citation:
International Classes:
E02B5/00; E02B11/00; E02B11/02; E03F5/04; (IPC1-7): E02B11/00; E02B11/02
Domestic Patent References:
| JPS4942821U | 1974-04-15 |