Inventor · disambiguated record

Tokuharu Nakajima

Also filed as: NAKAJIMA TOKUHARU

1 granted patent·25 citations·filing 1988–1988

41Inventor score

Technology areasE21D

Files withSHIMIZUO CONSTRUCTION CO1

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1 record

0151US5221160ASubterranean connecting method for construction of shield tunnel and connecting apparatus thereforSHIMIZUO CONSTRUCTION CO·Filed 1988·Granted Jun 22, 1993·25 cites·14 claims

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