发明授权
US06257484B1 Collapsible corrugated plastic box having tear-resistant hand holds
有权
可折叠波纹塑料盒具有防撕裂的手持
摘要：
A collapsible box made of corrugated plastic, which has improved hand holds in its side walls. The hand holds are formed by U-shaped lines cut through the plastic and having downwardly concave ends on the cut line.