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US1772729A
(en)
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Insect trap
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SU23000A1
(en)
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Sowing method by seeds
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SU20102A1
(en)
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The method of obtaining complex fertilizers
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SU23066A1
(en)
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Blacksmith tongs
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SU16365A1
(en)
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Chugunna Opoka
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SU8622A1
(en)
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Microphone
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SU24208A1
(en)
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Electroplating method
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SU15532A1
(en)
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Method of making cheese
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SU14397A1
(en)
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Thermocouple
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SU24304A1
(en)
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Method for producing molasses
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SU8645A1
(en)
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Clenching device
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SU10440A1
(en)
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Method for producing benzaldehyde
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SU8521A1
(en)
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Turbine toy
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SU18003A1
(en)
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The method of preparation of aromatic liquid
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SU20645A1
(en)
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The method of obtaining diazo compounds from paraaminoresorcin
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SU20800A1
(en)
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The method of making wooden coils
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SU8656A1
(en)
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Shaped brick
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SU11630A1
(en)
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Method of making fine tungsten wire
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SU23062A1
(en)
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Method of making stamps
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SU26541A1
(en)
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Saddle needle
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SU16197A1
(en)
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The method of producing mercuric chloride
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SU23504A1
(en)
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The method of obtaining the orange crown
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SU10419A1
(en)
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Disinsection method
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SU26850A1
(en)
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Se lka
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ES122827A1
(en)
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Apparatus for planting seeds.
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