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2014
|
Invention
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Rotating advertising device using balloon. Provided is a rotating advertising device using a ball... |
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2011
|
Invention
|
Bottom mounted triple adjusting rotor-type flight vehicle. The present invention relates to a rot... |
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|
Invention
|
Bottom-adjustable propeller-type flying object.
An existing bottom-adjustable propeller-type fly... |
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Invention
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Bottom-adjustable propeller-type flying object. The present invention relates to a flying object ... |
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2009
|
Invention
|
Bottom blade type vehicle.
A bottom blade type vehicle includes a fixed screw-pitch leaf horizon... |
|
|
Invention
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Bottom blade type trefoil flight vehicle. Conventional bottom blade type trefoil flight vehicles ... |
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Invention
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Rotational bottom blade type flight vehicle. Conventional bottom blade type flight vehicles have ... |
