Method for maintaining water bottom of swimming pool

The invention discloses a method for maintaining the water bottom of a swimming pool. The method comprises the following steps that a maintainer dives into the swimming pool, searches for a position to be maintained and knocks the position to be maintained to determine whether the position to be mai...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	GUO YONGDA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES FENCING FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE MASTS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL
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