Document Type and Number:
Japanese Patent JPS51117431
Kind Code:
U
Application Number:
JP3691375U
Publication Date:
September 24, 1976
Filing Date:
March 19, 1975
Export Citation:
International Classes:
E04F10/00; E04B1/00; E04F19/08; (IPC1-7): E04F19/08
Domestic Patent References:
| JPS3727852Y1 |