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GB701479A
|
|
Improvements in electric pressure detectors
|
|
GB677357A
|
|
Improvements in machines for manufacturing metallic network
|
|
GB565994A
|
|
Improvements in or relating to scaling machines and the like
|
|
GB519919A
|
|
Improvements in electric pressure detectors
|
|
GB466699A
|
|
A method of electrically spot welding metal to eliminate indentation of one face
|
|
GB451037A
|
|
A method of and apparatus for producing multiple electric spot welds simultaneously or in sequence
|
|
GB340530A
|
|
A method of hardening cast iron
|
|
US1804537A
|
|
Machine for removing the surface scale from metal plates
|
|
GB304348A
|
|
An improvement in electric contact seam welding machines
|
|
GB302968A
|
|
A machine for removing the surface scale from metal plates
|
|
GB242753A
|
|
Improvements in apparatus for converting electric currents
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