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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0328670
Kind Code:
Y2
Application Number:
JP7978185U
Publication Date:
June 19, 1991
Filing Date:
May 28, 1985
Export Citation:
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International Classes:
E02D3/10; E01C3/06; E02B11/00; E02D29/02; E04G9/02; E04G9/10; (IPC1-7): E04G9/10; E02D3/10