Bird trouble prevention grading ring
2013
The invention discloses a bird trouble prevention grading ring. The bird trouble prevention grading ring comprises a grading ring body, wherein an umbrella skirt edge is fixed on the periphery of the grading ring body, and the umbrella skirt edge is made of silicone rubber composite materials. The bird trouble prevention grading ring can increase the overall size, thereby achieving the purposes of increasing the protective area, improving the shielding area of bird droppings, and preventing bird troubles.
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