Document Type and Number:
Japanese Patent JPS6241041
Kind Code:
Y2
Application Number:
JP4656683U
Publication Date:
October 21, 1987
Filing Date:
March 29, 1983
Export Citation:
International Classes:
E01C1/00; E01C5/08; E01D19/12; (IPC1-7): E01C1/00
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