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GB734256A
|
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Improvements in or relating to the manufacture or hollow steel bodies by super-pressurizing
|
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GB732958A
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Improvements in or relating to the manufacture of hollow steel self-hooped or super-pressurized bodies
|
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GB677497A
|
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Improvements in or relating to the construction of hooped pipes or hooped vessels
|
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GB676598A
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Improvements in or relating to the construction of pressure conduits and vessels
|
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GB671609A
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Improvements in and relating to the construction of vessels that are liable to be stressed under high internal pressure
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GB676569A
|
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Improvements in and relating to the construction of hooped pipe-lines, reservoirs and the like
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GB340148A
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Improvements in and relating to hooped tubes
|
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GB256191A
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Improved piping or tubing to withstand heavy internal pressure
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