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GB609124A
|
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Improvements in or relating to railway sleeping cars
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GB606727A
|
|
Improvements in or relating to vehicle end underframes
|
|
GB637293A
|
|
Improvements in or relating to vehicle bodies
|
|
GB591666A
|
|
Improvements in or relating to airplane fuselage and wing constructions
|
|
GB596726A
|
|
Improvements in or relating to systems for supplying unidirectional current from an alternating current source, particularly for arc welding
|
|
ES170401A1
|
|
An electrical control system
|
|
GB602106A
|
|
Improvements in or relating to control systems for electric resistance welding
|
|
GB591330A
|
|
Improvements in or relating to electric control systems
|
|
ES169905A1
|
|
A procedure, with the corresponding apparatus, for the control of welding
|
|
GB604442A
|
|
Improvements in or relating to electric resistance welding systems
|
|
GB590527A
|
|
Improvements in or relating to current indicating and control circuits
|
|
GB594419A
|
|
Improvements in or relating to method of and machines for making curved profiles of sheet metal or other material
|
|
GB606958A
|
|
Improvements in or relating to resistance weld control method and apparatus
|
|
GB591007A
|
|
Improvements in or relating to metallic structures and method of making same
|
|
GB588009A
|
|
Improvements in or relating to capacitor discharge electric welding systems
|
|
GB587809A
|
|
Improvements in or relating to a device for scribing trim lines on workpieces
|
|
GB592239A
|
|
Improvements in or relating to stretch forming machine and method and curved membersformed by same
|
|
US2386729A
|
|
Sleeve bolt
|
|
ES168296A1
|
|
Improvements introduced in the construction of bodies or vehicle cajs
|
|
ES168143A1
|
|
A system for the disposition and construction of seats for railway cars
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