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KR102153137B1
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Projectiles that increase flight straightness and destructive power and methods of manufacturing the same.
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A projectile for generating natural supercavitation for projectile diameter.
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KR20200070011A
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A projectile using a air-wing
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KR20200038569A
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Mechanism for transferring the same power source to one or more rolling axes, and a bullet manufacturing device and driving method using the same
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KR102076365B1
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A device to reduce flight stability and recoil of bullets.
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KR20200021231A
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Latch ring spanner with inlet.
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Rain gauge with improved measurement accuracy and shelter having the same
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KR101865535B1
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Devices for fixing firearms
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KR20180005639A
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Weather Information Providing System for Tower Crane
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KR101800868B1
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A bullet having a gas curved path of a boat tail for discharging even compressed gas.
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KR101754061B1
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Flying stable bullets whose center of gravity is at the front of the bullet and its manufacturing method.
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KR20180088992A
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Core bonding structure and method on bullets.
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KR101702955B1
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Bullet with Increased Effective Range
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KR101713529B1
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Bullets using a fluid of flowing surface of warhead and a method of maufacture
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KR101660887B1
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Bullet
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KR20170100300A
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anemoscope and anemometer therewith
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KR101568319B1
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Assembling Type Bullet
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KR101666776B1
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A Jet propulsion and its operating method using powder for generating hydrogen gas by reacting with water.
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KR20160115131A
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A variable fluid flow generating device.
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KR20160049663A
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Rotor structure construction and method of operating the same
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