Hiroyosi Itaya

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Soil improving machine with excavating means
- Patent number 6,171,030
- Issue date Jan 9, 2001
- Hitachi Construction Machinery Co., Ltd.
- Shigehiko Miyake
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING