Lamp holder quick-change connecting device with wind-vibration prevention function
The invention relates to a lamp holder quick-change connecting device with a wind-vibration prevention function. The connecting device (1) is arranged between a lamp post (3) and a lamp holder (2), the connecting device (1) comprises a damping connecting body (11), a first auxiliary part (12) and a...
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Format: | Patent |
Sprache: | chi ; eng |
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