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1991-01-01
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1993-07-21
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1996-04-03
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1983-04-05
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1986-12-02
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1969-05-06
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1953-04-14
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1965-04-13
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1980-04-15
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1989-11-30
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1960-03-15
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1989-05-11
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Apparatus for testing the flexibility of materials
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1998-10-15
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1983-09-30
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1977-09-15
Ротационный вискозиметр