Document Type and Number:
Japanese Patent JPS5581107
Kind Code:
U
Application Number:
JP16215978U
Publication Date:
June 04, 1980
Filing Date:
November 24, 1978
Export Citation:
International Classes:
E01D19/04; E04B1/36; (IPC1-7): E01D19/04; E04B1/36
Domestic Patent References:
| JP46034212U |