Document Type and Number:
Japanese Patent JPS5460923
Kind Code:
U
Application Number:
JP13364677U
Publication Date:
April 27, 1979
Filing Date:
October 06, 1977
Export Citation:
International Classes:
E02B7/20; (IPC1-7): E02B7/20
Domestic Patent References:
| JP51098430B | ||||
| JPS5224731B2 | 1977-07-02 |