Document Type and Number:
Japanese Patent JPH0248155
Kind Code:
Y2
Application Number:
JP4685083U
Publication Date:
December 18, 1990
Filing Date:
April 01, 1983
Export Citation:
International Classes:
B21D39/02; B23K9/00; B23K9/025; B23K33/00; (IPC1-7): B23K33/00; B21D39/02; B23K9/025
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