BORING TOOL

PURPOSE:To improve the dischargeability of a core by forming at least a part of the section, which is extended along the rearward in the rotational direction from the contact of an inscribed circle of the fellow wall faces, in inclination toward peripheral side to the tangent of this inscribed circl...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKAYA, SUEJI, SAKAKI, NOBUYUKI, KAWAJI, HIDEAKI, NAKAMURA, SHINICHI
Format: Patent
Sprache:eng
Schlagworte:
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