Document Type and Number:
Japanese Patent JPS5641759
Kind Code:
Y2
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Application Number:
JP928677U
Publication Date:
September 30, 1981
Filing Date:
January 31, 1977
Export Citation:
International Classes:
D04B1/00; A63K3/00; E04H4/00; (IPC1-7): A63K3/00; D04B1/00; E04H3/19