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BR7804431A
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Technique for optimization of lay out projects
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IL48672D0
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Infinitely variable gyroscopic transmission
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IL46085D0
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Mathematical and logical electronic games
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DE2061344A1
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Fusion thermometer - with digital read out high accuracy and compact
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IL30724D0
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Scissors and method of making same
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IL30617D0
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Method of producing fiber-reinforced polyester resin articles and coated reinforcing fibers useful therein
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DE661810C
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Compressed air circuit breaker of the push switch type
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DE714576C
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High-voltage disconnector with solid contact
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DE662863C
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Isolating switch contact
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DE669598C
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High voltage fuse with main and secondary fusible conductors embedded in an extinguishing agent
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DE571980C
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Circuit for one-time automatic restart for switching devices
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DE471743C
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Method of pulling one-piece caps onto porcelain insulators
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