Lamp system with changeable light emitting direction and lamp and lamp holder thereof
The invention discloses a lamp system with a changeable light emitting direction. The lamp system comprises a bearing unit, a lamp holder detachably arranged on the bearing unit, a light emitting unit arranged on the lamp holder and a lamp shade which is arranged on the lamp holder and covers the li...
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Format: | Patent |
Sprache: | chi ; eng |
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