Floor-penetrating embedded pipe fitting for secondary drainage of modularized integral toilet caisson

The utility model relates to a floor-penetrating embedded pipe fitting for secondary drainage of a modularized integral toilet caisson. The floor-penetrating embedded pipe fitting comprises a main pipe fitting and an expansion part arranged on the outer side wall of the main pipe fitting, a secondar...

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Bibliographische Detailangaben
Hauptverfasser: RAO SHAOHUA, JING BAO'AN, ZHANG LEI, ZHU PANKE, HU MENGHUI, XIONG FANHUI, YANG ZHIFENG, CHENG ZONGLIANG, ZHU HUAITAO, LI MENGYAO
Format: Patent
Sprache:chi ; eng
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