Document Type and Number:
Japanese Patent JPS5255007
Kind Code:
U
Application Number:
JP14177275U
Publication Date:
April 20, 1977
Filing Date:
October 20, 1975
Export Citation:
International Classes:
E04B1/61; B27D1/00; B27D1/04; E04C2/24; E04C2/30; (IPC1-7): E04B1/54; B27D1/00; E04C2/24
Domestic Patent References:
| JP50063919B |