Novel door -window installation uses device

The utility model relates to a door and window field, more specifically the novel door -window installation uses device that says so, including body, a threaded connection portion, the 2nd threaded connection portion, rectangular channel, the one or six prismatic groove, hexagonal prism, the two or...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: LIU TAIQIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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