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People who like A Tunnel Boring Machine patent application at European Patent Office from 1995

    Tim Altman

    A Tunnel Boring Machine patent application at European Patent Office from 1995

    By Tim Altman in the group Tunnel Technologies Replies (2) Last reply by Marc Guitar
    Yesterday I came across this European Patent application by Japan's Daiho Corporation. It has been filed in 1995. Interesting. (19) J (12) (88) Date of publication A3: 18.06.1997 Bulletin 1997/25 (43) Date of publication A2:...

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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