Document Type and Number:
Japanese Patent JPH0161121
Kind Code:
B2
Inventors:
KOBAYASHI YOSHIICHI
Application Number:
JP17195183A
Publication Date:
December 27, 1989
Filing Date:
September 17, 1983
Export Citation:
Assignee:
KOBAYASHI YOSHIICHI
International Classes:
E01C7/04; E01C1/00; E01C3/06; E01C11/16
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