Document Type and Number:
Japanese Patent JPS4820389
Kind Code:
U
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Application Number:
JP6297371U
Publication Date:
March 08, 1973
Filing Date:
July 17, 1971
Export Citation:
International Classes:
E01F9/00; E01F9/646; E01F9/65; E01F9/654; E01F9/677; E01F9/681; E01F9/688; E01F9/70; F21L13/00; F21L14/04; F21S2/00; G09F13/00; (IPC1-7): F21Q3/00