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Document Type and Number:
Japanese Patent JPH0132395
Kind Code:
B2
Inventors:
KAWASHIMA JUICHI
MORITA YOSHASU
ARISUE MASAICHI
Application Number:
JP14908381A
Publication Date:
June 30, 1989
Filing Date:
September 21, 1981
Export Citation:
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Assignee:
SUMITOMO METAL IND
International Classes:
F16L15/04; E21B17/042; F16B33/02; F16J15/06; F16J15/10



 
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