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Self-adjusting swim fin strap
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Customized mouthpiece retainer for an underwater breathing apparatus
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Swim fin including means for restricting ankle movement
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Pressure gauge
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Swim fin including means for maintaining foot and leg in fixed relationship
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Method for customizing mouthpiece retainer for underwater breathing apparatus
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Decompression indicating instrument for divers
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Portable underwater indicating instrument for divers
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Customized mouthpiece retainer for an underwater breathing apparatus
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Portable underwater indicating instrument for divers
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