Document Type and Number:
Japanese Patent JPS6125442
Kind Code:
B2
Inventors:
INAGAKI YOSHITAMI
Application Number:
JP15095577A
Publication Date:
June 16, 1986
Filing Date:
December 14, 1977
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B21B23/00; B23B5/16; B23D77/14
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