Document Type and Number:
Japanese Patent JPS50113233
Kind Code:
U
Application Number:
JP2180274U
Publication Date:
September 16, 1975
Filing Date:
February 25, 1974
Export Citation:
International Classes:
E02B7/54; E02B7/34; (IPC1-7): E02B7/54; E02B7/34
Domestic Patent References:
| JP48045440B | ||||
| JPS4897333A | 1973-12-12 |