Document Type and Number:
Japanese Patent JPS4869228
Kind Code:
U
Application Number:
JP11345071U
Publication Date:
September 01, 1973
Filing Date:
December 01, 1971
Export Citation:
International Classes:
E04D3/365; (IPC1-7): E04D3/365
Domestic Patent References:
| JPS4657U | 1971-11-05 | |||
| JP14020018Y1 | ||||
| JPS457182Y1 | 1970-04-08 |