Document Type and Number:
Japanese Patent JPS5180242
Kind Code:
A
Inventors:
OOTAKE TSUTOMU
Application Number:
JP511075A
Publication Date:
July 13, 1976
Filing Date:
January 09, 1975
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G02C7/10; A61F9/04; A61F9/06; G02F1/13; G02F1/133; (IPC1-7): A61F9/04; G02C7/10; G02F1/13