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US07992356B2 Structural roof venting system for grain bin and associated method 有权
谷仓结构屋顶通风系统及相关方法

Structural roof venting system for grain bin and associated method
Abstract:
A roof system for a grain storage structure. The roof system includes a plurality of enclosures defined between adjacent roof panel surfaces. Each enclosure includes opposed exterior and interior wall segments oriented at an angle relative to the panel surfaces. The exterior and interior wall segments have cooperating indents that are fastened to one another to secure adjacent roof panels against relative movement.
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