glinding machine

The present invention relates to a concrete wall grinding machine for grinding a gap space between a road guardrail and a concrete wall and, more specifically, relates to a concrete wall grinding machine for grinding a gap space between a guardrail and a concrete wall, wherein a guardrail support is...

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Bibliographische Detailangaben
1. Verfasser: JANG, SEUNG SU
Format: Patent
Sprache:eng ; kor
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