Document Type and Number:
Japanese Patent JPH032633
Kind Code:
B2
Inventors:
FUKASE YUTAKA
Application Number:
JP1965883A
Publication Date:
January 16, 1991
Filing Date:
February 10, 1983
Export Citation:
Assignee:
EMU GURUUPU CORP
International Classes:
B25D9/16; B25D17/10; E21B1/00; E21B1/26
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