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Koichiro Tokuda
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Osaka, JP
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last 30 patents
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Patent Grant
Joint for different-diameter pipes and method of connecting differe...
Patent number
5,887,909
Issue date
Mar 30, 1999
Totaku Industries, Inc.
Koichiro Tokuda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...