House sewer line protection device

The invention discloses a house sewer line protection device which is matched with a sewer line and comprises a storage portion and a power portion. The storage portion is coaxial with the sewer lineand comprises a first portion with a large diameter and a second portion with a small diameter from t...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YANG XUEHAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER FIXED CONSTRUCTIONS SEWERAGE SINKS WATER SUPPLY
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