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Inventor
KUHARA AKIO
JP
2 patents
Patents
2 patents
US5238508A
Aug 24, 1993
Ferritic-austenitic duplex stainless steel
KUBOTA LTD
53 citations
93
US4943489A
Jul 24, 1990
Composite pipe having excellent corrosion resistance and mechanical properties to withstand high temperatures and high pressures
KUBOTA LTD
29 citations
87