Taiiheiyo Engineering Incorporated

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Self-advancing support for use in the pit of coal or metal mine
- Patent number 4,002,037
- Issue date Jan 11, 1977
- Taiiheiyo Engineering Incorporated
- Masao Hujimori
- E21 - EARTH DRILLING MINING