Document Type and Number:
Japanese Patent JPS5698946
Kind Code:
U
Application Number:
JP18433379U
Publication Date:
August 05, 1981
Filing Date:
December 27, 1979
Export Citation:
International Classes:
E04F15/02; (IPC1-7): E04F15/02
Domestic Patent References:
| JPS4839046A | 1973-06-08 | |||
| JPS5244415U | 1977-03-29 |