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GB1064402A
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Refractory furnace wall coating
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GB894693A
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Improvements in or relating to luminous wall furnaces
|
|
GB810003A
|
|
Gas heating apparatus
|
|
GB750020A
|
|
Improvements in or relating to salt baths for the heat treatment of metals
|
|
GB724619A
|
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Electric salt bath furnace
|
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GB646455A
|
|
Salt bath quenching furnace
|
|
GB627610A
|
|
Thermocouple construction
|
|
GB617961A
|
|
Improvements in rectifiers for chloride salt baths for heat treatment of ferrous articles
|
|
GB603382A
|
|
Improvements in hollow electrodes for salt bath furnaces
|
|
GB598270A
|
|
Improvements in the heat treatment of stainless steel parts to produce a non-oxide bright finish thereon
|
|
GB616796A
|
|
Improvements in molten salt baths for the heat treatment of ferrous articles
|
|
GB636027A
|
|
Salt baths for the heat treatment of metals
|
|
GB591793A
|
|
Improvements in and relating to nitrogenising steel
|
|
GB599849A
|
|
Improved method of and furnace for the heat treatment of metals
|
|
GB615515A
|
|
Improvements in or relating to the hardening of high-speed steel
|
|
GB598467A
|
|
An improved method of heat treating ferrous metal for drawing operations thereon
|
|
GB598466A
|
|
Improvements in salt baths for use in a fused condition for the heat treatment of metals
|
|
GB574999A
|
|
Improvement in salt bath furnaces
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