Document Type and Number:
Japanese Patent JPS57164128
Kind Code:
U
Application Number:
JP4956381U
Publication Date:
October 16, 1982
Filing Date:
April 08, 1981
Export Citation:
International Classes:
E02B7/20; E02B7/22; E02B7/26; E02B7/28; E02B7/36; (IPC1-7): E02B7/26; E02B7/20; E02B7/36