Document Type and Number:
Japanese Patent JPH0340086
Kind Code:
B2
Application Number:
JP5256987A
Publication Date:
June 17, 1991
Filing Date:
March 06, 1987
Export Citation:
International Classes:
B23D63/00; B23D63/18; C21D7/02; C21D7/06; C21D8/02; C21D9/24
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