Document Type and Number:
Japanese Patent JPS5280039
Kind Code:
U
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Application Number:
JP16917675U
Publication Date:
June 15, 1977
Filing Date:
December 12, 1975
Export Citation:
International Classes:
B26F1/02; B21D28/14; B21D28/16; B21D37/00; B30B15/02; (IPC1-7): B21D28/14; B21D37/00; B30B15/02