Document Type and Number:
Japanese Patent JPS5183001
Kind Code:
A
Inventors:
SAITO CHUJI
Application Number:
JP807075A
Publication Date:
July 21, 1976
Filing Date:
January 17, 1975
Export Citation:
Assignee:
SAITO CHUJI
International Classes:
E21C45/00; E21C50/02; (IPC1-7): E21C45/00