Document Type and Number:
Japanese Patent JPS5116589
Kind Code:
Y1
More Like This:
Application Number:
JP7742372U
Publication Date:
May 04, 1976
Filing Date:
June 30, 1972
Export Citation:
International Classes:
E02B3/06; E02B3/04; (IPC1-7): E02B3/04
Domestic Patent References:
JPS425746Y1 | 1967-03-22 |