Title:
ROAD BLOCK
Document Type and Number:
Japanese Patent JPS62276109
Kind Code:
A
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Inventors:
OGUCHI MASAHIRO
SUGAWARA TATSUO
SUGAWARA TATSUO
Application Number:
JP12047186A
Publication Date:
December 01, 1987
Filing Date:
May 26, 1986
Export Citation:
Assignee:
TOHOKU KAKO KK
International Classes:
E01F9/535; E01F9/506; E01F9/553; E01F9/565; G09B21/00; G09F19/22; (IPC1-7): E01F9/06; G09B21/00; G09F19/22
Attorney, Agent or Firm:
Sugano Naka