Document Type and Number:
Japanese Patent JPS5381643
Kind Code:
U
Application Number:
JP16390476U
Publication Date:
July 06, 1978
Filing Date:
December 07, 1976
Export Citation:
International Classes:
B21D47/00; B32B3/10; B32B15/18; E04C2/30; F16S1/00; (IPC1-7): E04C2/30; B32B3/10; B32B15/18; F16S1/00
Domestic Patent References:
| JPS4719118B1 |