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BG99712A
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Indicator for an engaged telephone line
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BG97998A
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Rotative star-type piston internal combustion engine
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BG97999A
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Rotative star-type piston internal combustion engine
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BG60199B2
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Device for bending metal profile blanks
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BG42477A1
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Chain for variator
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BG40923A1
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Apparatus for multipoint measuring of parameters
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BG34881A1
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Device for completing magnetoconducting lines
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BG33718A1
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Apparatus foradjusting and control of testers for memory apparatus of magnetic band
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BG31831A1
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Inertion filtrating centrifuge- separator
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BG29704A1
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Apparatus for object prevention
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BG29164A1
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Roller machine for cold profile leeding
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BG25698A1
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A method of obtaining potassium bichloride christalhydrite
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