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Listings by 'frankchlin'


FLYABLE SAILBOAT (173 views)
Asking price:Make an offer

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Inflatable swimming gasbag (161 views)
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Many air chambers tire structure with trachea is connected (81 views)
Asking price:Make an offer

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Self-powered massage shoes soles (126 views)
Asking price:50,000 USD

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Snorkeling Mask for diving that can electronically admit air (167 views)
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Submarine structure (150 views)
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Tire inflation tire patching device (132 views)
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