Construction pipe fitting surface marking device

The utility model discloses a construction pipe fitting surface marking device, including first spacing, first marking off hole has been seted up along vertical direction to leading flank spacing first, the rear end fixed connection of spacing first leading flank upper end and screw rod, the front e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN YING, JIANG XUEFANG, REN JIRU, JIANG WEIXIA, MAO TAO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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