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Document Type and Number:
Japanese Patent JPH0218955
Kind Code:
B2
Inventors:
KUROKI TAKANORI
YOSHIDA TOSHIO
Application Number:
JP14994382A
Publication Date:
April 27, 1990
Filing Date:
August 31, 1982
Export Citation:
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Assignee:
KUROKI KOGYOSHO KK
International Classes:
B23K20/00; B21C37/06; B23K20/14



 
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