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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH037059
Kind Code:
U
Application Number:
JP6797589U
Publication Date:
January 23, 1991
Filing Date:
June 10, 1989
Export Citation:
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International Classes:
E01B25/26; B61B3/02; B61B13/06; B61J1/00; B66C7/12; B66C17/04; (IPC1-7): B61B3/02; B66C7/12; B66C17/04; E01B25/26