Document Type and Number:
Japanese Patent JPH0434648
Kind Code:
B2
Inventors:
NISHIKAWA TAKAHARU
Application Number:
JP452685A
Publication Date:
June 08, 1992
Filing Date:
January 14, 1985
Export Citation:
Assignee:
TAISEI DORO KK
International Classes:
E01C3/04; E02D3/12
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