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1938-11-19 |
1943-03-02 |
Nichols Eng & Res Corp |
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1938-12-28 |
1953-10-06 |
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1945-01-31 |
1960-05-10 |
Cohen Karl |
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1945-05-23 |
1950-01-10 |
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1945-06-16 |
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1945-08-07 |
1951-04-24 |
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1945-08-28 |
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1946-05-13 |
1950-02-28 |
Aerotec Corp |
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1947-01-23 |
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1947-07-29 |
1950-11-14 |
Nichols Eng & Res Corp |
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1948-11-29 |
1954-02-15 |
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1950-07-19 |
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Dorries A G Vorm Maschinenfabr |
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1950-07-30 |
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1952-04-25 |
1964-05-21 |
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Vorrichtung zum stetigen Ausscheiden spezifisch schwerer Verunreinigungen aus Faserstoffaufschwemmungen
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1952-09-24 |
1959-11-19 |
Nichols Engineering S. Research Corporation, New- York, N. Y. (V.St.A.) |
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1960-01-12 |
Nichols Engineering And Res Co |
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1952-09-24 |
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Vortex separators
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1955-12-06 |
1957-06-25 |
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1962-04-11 |
Charles Augustus Mcclure |
Process and apparatus for centrifugal classification and separation of solid particles in liquid medium
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1959-03-09 |
1964-06-02 |
Holderbank Cement |
Separating pulverous or granular material from a carrier medium
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1959-03-21 |
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Perfectionnement aux procédés d'échange de chaleur
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1977-09-19 |
1979-04-03 |
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1998-09-16 |
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Through-flow hydrocyclone and three-way cleaner
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