Document Type and Number:
Japanese Patent JPS53141031
Kind Code:
U
Application Number:
JP4758977U
Publication Date:
November 08, 1978
Filing Date:
April 14, 1977
Export Citation:
International Classes:
E04D1/30; E04D13/15; E04D13/158; (IPC1-7): E04D1/30; E04D13/15
Domestic Patent References:
| JPS503935U | 1975-01-16 | |||
| JP11015154U |