Whistling suction top Horn Ceiling Suspended Ceiling Sound Box Fixed Pressure Power Amplifier Coaxial Speaker Suit Embedded resistance Store Background Music No rims Broadcast horn Home Bluetooth Indoor acoustics
6 inches (required to be matched with a constant pressure power release machine) 6 5 inches (required to be matched with a constant pressure function) 6 5 inches without frame (required to be matched with a constant pressure work release machine) 7 5 inches (required to be matched
Classification of engineering solutions for engineering solutions:
Public broadcasting
The production enterprise:
Hangzhou Zhonghe Electronic Equipment Co., Ltd.
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Items weight estimation 0 g, subject to actual weight
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