Canopy of heavens pole entirely stretches out and draws back
The utility model discloses a canopy of heavens pole entirely stretches out and draws back, including the sill bar, it can mutual gliding connecting rod to be equipped with in the sill bar, it can mutual gliding ejector pin to be equipped with in the connecting rod, set up respectively between sill...
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Format: | Patent |
Sprache: | chi ; eng |
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