Document Type and Number:
Japanese Patent JPH0118646
Kind Code:
Y2
Application Number:
JP17747483U
Publication Date:
May 31, 1989
Filing Date:
November 18, 1983
Export Citation:
International Classes:
E01C3/00; E01C5/06; E01C7/10; (IPC1-7): E01C3/00
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