Document Type and Number:
Japanese Patent JPS57164127
Kind Code:
U
Application Number:
JP4845681U
Publication Date:
October 16, 1982
Filing Date:
April 06, 1981
Export Citation:
International Classes:
E02B7/20; G05D9/00; G05D9/12; (IPC1-7): E02B7/20; G05D9/00