Document Type and Number:
Japanese Patent JPS57153459
Kind Code:
U
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Application Number:
JP3752381U
Publication Date:
September 27, 1982
Filing Date:
March 19, 1981
Export Citation:
International Classes:
B24B23/04; B24D9/00; B24D15/00; (IPC1-7): B24D9/00; B24B23/04