Document Type and Number:
Japanese Patent JPH05190
Kind Code:
B2
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Inventors:
OOTA AKINORI
Application Number:
JP17895283A
Publication Date:
January 05, 1993
Filing Date:
September 27, 1983
Export Citation:
Assignee:
FURUKAWA CO LTD
International Classes:
B25D9/16; B25D9/26; E21B1/00; E21B1/26
Next Patent: 空中浮上装置