Document Type and Number:
Japanese Patent JPS5126727
Kind Code:
B1
Application Number:
JP9144371A
Publication Date:
August 09, 1976
Filing Date:
November 15, 1971
Export Citation:
International Classes:
(IPC1-7): E04B1/347
Domestic Patent References:
| JPS4328826Y1 | 1968-11-27 |