Document Type and Number:
Japanese Patent JPH01159914
Kind Code:
U
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Application Number:
JP5385688U
Publication Date:
November 07, 1989
Filing Date:
April 21, 1988
Export Citation:
International Classes:
B21B39/14; B21C47/06; B21C47/34; (IPC1-7): B21C47/06; B21B39/14; B21C47/34