Document Type and Number:
Japanese Patent JPS57174646
Kind Code:
U
Application Number:
JP6304981U
Publication Date:
November 04, 1982
Filing Date:
April 30, 1981
Export Citation:
International Classes:
E04G9/10; E04G13/02; E04G17/00; E04G17/02; (IPC1-7): E04G17/00; E04G9/10; E04G13/02
Domestic Patent References:
| JPS534742B2 | 1978-02-20 | |||
| JPS5214030A | 1977-02-02 |