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PL51977B1
(de)
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US1272605A
(en)
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Specific-gravity scale.
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Almer et al.
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National Bureau of Standards one kilogram balance NBS No. 2 |
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US2192905A
(en)
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Precision balance
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GB724579A
(en)
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Improvements in spring balances for determining specific gravity
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US3360994A
(en)
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Apparatus and method for determining specific gravity
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US2662762A
(en)
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Precision balance
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US3547210A
(en)
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Calculating balance
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US1949844A
(en)
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Weighing device
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US1813578A
(en)
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Compounding scale
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US1790883A
(en)
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op toledo |
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US1647923A
(en)
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Method and apparatus for weighing
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US1797269A
(en)
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Motor-driven balancing machine
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US499479A
(en)
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Alexander stocker |
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GB445161A
(en)
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Improvements in weighing scales
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US694782A
(en)
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Method of testing barley and malt.
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US2053074A
(en)
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Precision balance
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DE447867C
(de)
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Feinwaage nach Art der elektrodynamischen Waage
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PL68154B3
(de)
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US2473084A
(en)
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Weighing scale poise
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US3401761A
(en)
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Device for loading additional counter-balance weight to beam balance weighing scales
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US1907074A
(en)
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Apparatus for grading and testing eggs
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SU78080A1
(ru)
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Прибор дл определени удельного веса твердых тел
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US215477A
(en)
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Improvement in assayersi self-calculating sample and button weighers |
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SU5880A1
(ru)
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Весы дл точных взвешиваний
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