Potter's grate

作者: William R. Panuski

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摘要: A grate for deposition in a hole bottom of ceramic, clay planter pot or miscellaneous flat containers to facilitate drainage and minimize erosion soil the container. The comprises flat, resilient plastic disc having upper surface lower surface. plurality arcuate openings are disposed through disc. standoffs arranged on There stepped pie shaped elements which permit insertion those into different sized holes planter's pots containers.

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