Tetsuyuki Hiroe

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Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Swivel joint for fluid pipes
- Patent number 4,756,559
- Issue date Jul 12, 1988
- Japan National Oil Corporation
- Mitsuhiro Shimada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...