CLEANING METHOD FOR DRAIN PIPE

PROBLEM TO BE SOLVED: To provide a cleaning method for a drain pipe that spreads a small amount of chemical readily and uniformly over an entire inner peripheral surface of a drain pipe of a toilet bowl, thereby effectively removing urinary calculus.SOLUTION: A cleaning method is for a drain pipe 20...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHIGETA KATSUMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CLEANING CLEANING IN GENERAL DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER FIXED CONSTRUCTIONS PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SEWERAGE SINKS TRANSPORTING WATER SUPPLY
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