Document Type and Number:
Japanese Patent JPS63157968
Kind Code:
U
Application Number:
JP4763887U
Publication Date:
October 17, 1988
Filing Date:
April 01, 1987
Export Citation:
International Classes:
H01S3/06; H01S3/08; H01S3/092; H01S3/16; (IPC1-7): H01S3/16; H01S3/06; H01S3/08