Document Type and Number:
Japanese Patent JPS5043936
Kind Code:
Y1
Application Number:
JP777470U
Publication Date:
December 16, 1975
Filing Date:
January 27, 1970
Export Citation:
International Classes:
E04F13/21; E04B1/38; E04B1/58; E04F13/00; E04F15/00; (IPC1-7): E04B1/40; E04F13/00; E04F15/00
Domestic Patent References:
| JPS449006Y1 | 1969-04-12 |