Document Type and Number:
Japanese Patent JPH0546355
Kind Code:
Y2
Application Number:
JP14939586U
Publication Date:
December 03, 1993
Filing Date:
September 29, 1986
Export Citation:
International Classes:
H03K23/00; H03K23/50; H03K23/58; H03K23/68; (IPC1-7): H03K23/68; H03K23/00; H03K23/58
Next Patent: METHOD OF PERFORATING VERTICAL HOLE TO TREAT SEWAGE