Document Type and Number:
Japanese Patent JPS5262331
Kind Code:
U
Application Number:
JP14933575U
Publication Date:
May 09, 1977
Filing Date:
November 01, 1975
Export Citation:
International Classes:
B21D22/10; B21C37/15; B21C37/16; B21D15/06; B21D15/10; (IPC1-7): B21C37/15; B21D15/10
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