Document Type and Number:
Japanese Patent JPS5010444
Kind Code:
Y2
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Application Number:
JP4458871U
Publication Date:
April 02, 1975
Filing Date:
May 29, 1971
Export Citation:
International Classes:
B21D31/06; B21D19/00; B21D41/04; B21F5/00; B21J7/16; (IPC1-7): B21J7/16; B21D19/00; B21F5/00