Document Type and Number:
Japanese Patent JPS6390873
Kind Code:
U
Application Number:
JP18599386U
Publication Date:
June 13, 1988
Filing Date:
December 02, 1986
Export Citation:
International Classes:
H01S3/097; B01D53/14; B01D53/26; (IPC1-7): H01S3/097; B01D53/14; B01D53/26