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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6318504
Kind Code:
U
Application Number:
JP11198286U
Publication Date:
February 06, 1988
Filing Date:
July 23, 1986
Export Citation:
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International Classes:
E01C1/04; E01C9/08; (IPC1-7): E01C9/08; E01C1/04