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DE2152542A1
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Arrangement for the economical energy supply of pneumatic control systems
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DE2023119A1
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Pneumatically or hydraulically operated pipe closure device
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DE1922882A1
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Dead memory
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GB1272283A
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Method for the transmission of information over lines having the character of bandfilters
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DE1650474A1
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Universal logic element mainly for pneumatic actuation
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DE1566813B1
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Visual display device with a strip-shaped display element
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DE1512728A1
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Indicators, especially for pneumatic actuation
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DE1271256B
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Method for comparing electrical voltages or currents by taking isolated samples
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GB1107139A
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|
Arrangements for comparing the amplitudes of voltages
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