BARRIER COMPOSITE FILMS SEX WITH CORTICAL RE-FROST-PROOF WATER METERS, AND VOLUME EXPANSION ABSORBING MATERIAL AND ITS MANUFACTURING METHOD

The present invention relates to a volume expansion absorbing member for preventing the freezing of a water meter, having composite barrier films as shell materials and a manufacturing method thereof. The purpose of the present invention is to provide a volume expansion absorbing member having an ox...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	KANG, YOUNG BONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING
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