摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a concrete secondary product using a chamfering strip prevented from cracking, making it hard to deform a corner part, easy to handle and rich in diversion properties. SOLUTION: The chamfered strip 2 is made bendable in its longitudinal direction and prevented from being deformed by the pressure P of concrete G charged in the state arranged in the form. COPYRIGHT: (C)2007,JPO&INPIT
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