METHOD FOR FORMING OPENING IN CONCRETE BODY

PROBLEM TO BE SOLVED: To economically form an opening by cutting and forming right and left side face cutting lines of an opening forming scheduled position by a wire saw, forming lateral and longitudinal core boring holes there, inserting and comminuting a cylinder head of a hydraulic comminutor in...

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Bibliographische Detailangaben
Hauptverfasser: SAKURAYAMA TAKESHI, KASUGATA MEGURI
Format: Patent
Sprache:eng
Schlagworte:
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