Document Type and Number:
Japanese Patent JPS5213439
Kind Code:
Y2
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Application Number:
JP3007272U
Publication Date:
March 25, 1977
Filing Date:
March 13, 1972
Export Citation:
International Classes:
D06C5/00; D06C7/02; D06F71/00; (IPC1-7): D06F71/00; D06C5/00