Collapsible steel construction hole measuring device

The utility model relates to a collapsible steel construction hole measuring device, include handle and the dipperstick of being connected with the handle, handle and the hollow round platform riveting that is located the top, handle are rectangle structure or arc structure, and the dipperstick is c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIU GE, CHEN YUN, LA HAIHUI, WANG WUSHISI, LUO YUSEN, SUN YONGJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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