Document Type and Number:
Japanese Patent JPS5328985
Kind Code:
Y2
Application Number:
JP3627473U
Publication Date:
July 20, 1978
Filing Date:
March 26, 1973
Export Citation:
International Classes:
E04G17/07; E04G13/04; E04G17/06; (IPC1-7): E04G17/06; E04G13/04