发明授权
US5181354A Barrier panel 失效
屏障面板

Barrier panel
摘要:
A barrier panel for enclosures and shield with a self-supporting framework of rigid tubes encompassing at least one through opening. The opening is enclosed by a cover sheet of flexible plastic film releasably secured to the framework by snap-on clips and a complementary retainer attached to a side face of the framework.
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