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GB935009A
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Improvements in coatings for foundry moulds
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US3059130A
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Electromechanical transducers
|
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US3003072A
|
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Transducers
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GB847866A
|
|
Improvements in piezo-electric transducers
|
|
GB877291A
|
|
Improvements in thread guides
|
|
GB867326A
|
|
Improvements in or relating to electro-acoustic transducers
|
|
GB830264A
|
|
Improvements in or relating to thread guides and their manufacture
|
|
GB669941A
|
|
Improvements in ceramic dielectric materials
|
|
GB671048A
|
|
An improved arrangement of an electric circuit-making or circuit-breaking device
|
|
GB674146A
|
|
An improved construction of group of electric circuit elements including a capacitor
|
|
GB664198A
|
|
Improvements in electric capacitors
|
|
GB659433A
|
|
Improvements in the manufacture of electric capacitors
|
|
GB653209A
|
|
An improved ceramic body suitable for use as a dielectric material and the method of manufacture thereof
|
|
GB641198A
|
|
Improvements in electric capacitors
|
|
GB640034A
|
|
An improved arrangement of tuned electric circuit elements
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GB632344A
|
|
Improvements in and relating to electrical condensers
|
|
GB632834A
|
|
Improvements in or relating to articles made by coating dielectrics by metallising
|
|
GB593342A
|
|
Improvements in or relating to electric condensers
|
|
GB595796A
|
|
Improvements in or relating to arrangements for hermetically sealing electrical apparatus in casings
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GB595012A
|
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Improvements in or relating to variable electrical condensers
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