Fitment screw rod for furred ceiling
The utility model discloses a fitment screw rod for furred ceiling, including the body of rod, screw thread, spacing screw, inflation screw, fixed screw, the surface of the body of rod is equipped with the screw thread, be equipped with spacing screw on the body of rod, wear to be equipped with the...
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Format: | Patent |
Sprache: | chi ; eng |
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