MOLD OF WATERWAY PIPE AND THE WATERWAY PIPE THEREOF

A mold for manufacturing a waterway pipe is provided to permit aquatic animals introduced into a waterway pipe to escape therefrom easily, and to allow animals living on or under the ground to utilize the water flowing through the waterway pipe. A mold for manufacturing a waterway pipe comprises: a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	OH, BYUNG CHUN
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER TRANSPORTING WORKING CEMENT, CLAY, OR STONE
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