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GB614215A
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Manufacture of polyureas
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GB614214A
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Manufacture of new condensation products and their application to textile materials
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AU1125313B
|
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Improvements inthe separation of mixed metallic sulphides
|
|
AU1064013B
|
|
Improvements in or relating to concentration of ores
|
|
AU819713B
|
|
Improvements in the separation of metallic sulphides
|
|
AU812313B
|
|
Improvements inthe separation of metalliferous sulphides
|
|
AU812213B
|
|
Improvements in the separation of metallic sulphides
|
|
AU787513B
|
|
Improvements inthe separation of metallic sulphides
|
|
AU646312B
|
|
Improvements inthe separation of metallic sulphides
|
|
CA142986A
|
|
Drawbridge
|
|
US1078293A
|
|
Drawbridge.
|
|
GB191119031A
|
|
A New Drawbridge.
|
|
AU63211B
|
|
Improvements inthe separation of metallic sulphides from gangue
|
|
CA121744A
|
|
Bridge girder
|
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GB190600697A
|
|
Improvements in Railway Rail Joints.
|
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US723688A
|
|
Apparatus for measuring and conveying coal or the like.
|
|
US734901A
|
|
Apparatus for measuring coal or the like.
|
|
GB190122292A
|
|
Improvements in Apparatus for Measuring and Conveying Coal or the like.
|
|
GB189604060A
|
|
A Fastening for Loose Ends of Boot Laces and other Cords.
|
|
GB189523667A
|
|
Apparatus for Lowering and Raising Ships' Boats.
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