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GB482958A
|
|
Improvements in or relating to the electrodeposition of zinc
|
|
GB475120A
|
|
Improvements in or relating to the production of sulphuric acid
|
|
GB467839A
|
|
Improved rust-removing and rust-proofing compositions
|
|
GB464776A
|
|
Improvements in or relating to insecticidal compositions
|
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US2044956A
|
|
Inhibitor and process employing the same
|
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US2058702A
|
|
Anode
|
|
US2058684A
|
|
Anode
|
|
GB453931A
|
|
Improved fluxes for the soldering of metals
|
|
US2031538A
|
|
Process for metal casting
|
|
GB448125A
|
|
Improvements in or relating to the production of silicic acid gels
|
|
US2031787A
|
|
Sulphuric acid contact process
|
|
US2044946A
|
|
Leather tanning
|
|
GB445468A
|
|
Improvements in or relating to the manufacture of arsenic acid
|
|
GB444865A
|
|
Improvements in or relating to the pickling of stainless steel and the like
|
|
US2018633A
|
|
Flaked sodium chloride composition
|
|
US2034070A
|
|
Cleaning composition
|
|
US1998605A
|
|
Flaked sodium bisulphate composition
|
|
GB437658A
|
|
Improvements in or relating to the treatment of platinum contact masses
|
|
GB437659A
|
|
Improvements in or relating to the treatment of platinum contact masses
|
|
GB441453A
|
|
Improvements in or relating to the purification of lactic acid and its salts
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