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BG109658A
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Prophylactic and medicinal product for bees
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BG109508A
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Assembly unit for fixing the spokes of bicycles, motorcycles or cars
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BG109466A
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Mechanism for electromotive force generation under the influence of river, sea and ocean waters
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BG109443A
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Mechanism for electromotive force generation
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BG109279A
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Electronic high voltage accelerator
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BG108747A
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Double cell for excluding queen bees
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BG108748A
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Beehive bottom
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BG108671A
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Contraception method and condom for the realization of the method
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BG108408A
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Method and device for teeth brushing
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BG108067A
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Bee food
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BG108068A
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Centrifuge for honey
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