Document Type and Number:
Japanese Patent JPH0237445
Kind Code:
Y2
Application Number:
JP13705381U
Publication Date:
October 11, 1990
Filing Date:
September 17, 1981
Export Citation:
International Classes:
B21B13/14; B21B13/02; B21B35/12; B21B35/14; (IPC1-7): B21B35/12; B21B13/02
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