Document Type and Number:
Japanese Patent JPS531133
Kind Code:
Y2
Application Number:
JP5054073U
Publication Date:
January 13, 1978
Filing Date:
April 28, 1973
Export Citation:
International Classes:
E04G11/40; E04G11/48; E04G13/04; E04G25/00; (IPC1-7): E04G25/00; E04G11/48
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