Document Type and Number:
Japanese Patent JPH0457450
Kind Code:
B2
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Inventors:
FUTAMURA SHOJI
Application Number:
JP24066383A
Publication Date:
September 11, 1992
Filing Date:
December 20, 1983
Export Citation:
Assignee:
HODEN SEIMITSU KAKO KENKYUSHO KK
International Classes:
B21C25/10; B21C25/02; B23H7/02; B23P15/24
Next Patent: JPH0457451