Document Type and Number:
Japanese Patent JPS5733490
Kind Code:
Y2
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Application Number:
JP2333077U
Publication Date:
July 23, 1982
Filing Date:
February 28, 1977
Export Citation:
International Classes:
G07F9/04; G07D1/00; H04M17/00; H04M17/02; (IPC1-7): G07F9/04; H04M17/02