Document Type and Number:
Japanese Patent JPS4885408
Kind Code:
U
Application Number:
JP918872U
Publication Date:
October 17, 1973
Filing Date:
January 20, 1972
Export Citation:
International Classes:
B32B13/06; E04C2/28; E04C2/30; E04C2/38; (IPC1-7): E04C2/38; E04C2/28
Domestic Patent References:
| JPS4330067Y1 | 1968-12-09 |