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Listings by 'frankchlin'


FLYABLE SAILBOAT (229 views)
Asking price:Make an offer

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Inflatable swimming gasbag (219 views)
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Many air chambers tire structure with trachea is connected (134 views)
Asking price:Make an offer

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Self-powered massage shoes soles (193 views)
Asking price:50,000 USD

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Snorkeling Mask for diving that can electronically admit air (242 views)
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Submarine structure (223 views)
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Tire inflation tire patching device (200 views)
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