Document Type and Number:
Japanese Patent JPS6363284
Kind Code:
B2
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Application Number:
JP14311382A
Publication Date:
December 07, 1988
Filing Date:
August 18, 1982
Export Citation:
International Classes:
B21C23/30; B21C23/22; B21C23/24; B21C25/06; B22F7/00; C21C7/04