Measuring device for constructional engineering

The utility model relates to the field of measuring tools. The invention particularly relates to a measuring device for constructional engineering. The ruler comprises a ruler rod, connecting rods andvertical rods, one side end of the ruler rod is hinged with one end of the connecting rod; the other...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SHEN XIAOGUANG
Format: Patent
Sprache:chi ; eng
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