Document Type and Number:
Japanese Patent JPS61195488
Kind Code:
U
Application Number:
JP7973085U
Publication Date:
December 05, 1986
Filing Date:
May 28, 1985
Export Citation:
International Classes:
G01S3/02; B63B22/00; G01T1/16; G01T7/00; (IPC1-7): G01T7/00; B63B22/00; G01S3/02; G01T1/16