Document Type and Number:
Japanese Patent JPS647033
Kind Code:
Y2
Application Number:
JP11477182U
Publication Date:
February 23, 1989
Filing Date:
July 30, 1982
Export Citation:
International Classes:
B23K37/04; B23K9/00; E02D19/00; (IPC1-7): B23K37/04; B23K9/225; E02D19/00
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