US2405189A
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Stabilized explosive
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GB599606A
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Improvements in or relating to the continuous production of hydrogen cyanide
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US2393221A
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Blasting cap package
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US2355848A
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Machine for filling containers
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US2301609A
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Breaking petroleum emulsions
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US2259995A
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Breaking petroleum emulsions
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US2326008A
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Use of lead salts of nitroamino guanidine as initiating charge in firing devices
|
US2347866A
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Detonator combination
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US2286167A
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Fabricated building unit and construction embodying the same
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US2220044A
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Separation of maleic and phthalic anhydrides
|
US2241266A
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Metal frame for building construction units
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US2198774A
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Guanidine xanthate
|
US2180317A
|
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Metal decking
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US2189194A
|
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Apparatus for heat treatment
|
US2215066A
|
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Method for casting electric blasting cap plugs
|
US2249073A
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Combination plaster base and insulating block
|
US2169148A
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Unhairing of hides and skins
|
US2169147A
|
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Unhairing of hides and skins
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US2252401A
|
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Amine derivatives of sulphodicarboxylic acids
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US2178450A
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Developing photographic films and plates
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