Nucleic Acid Purification System
1989
1989
1907
1907
1907
1907
1907
1907
1907
before 1889
2017
1907
1989
1962-1989
circa 1885
1907
1900
1907
circa 1910
circa 1885
1895
1910-1913
1940
1897
1980
1920
1890-1920
1890-1920
1890
1934
1933-1937
before 1889
1982
1885
1907
before 1889
1880-1910
1907
1895-1900
2000-11-27
1893
1902 or later
1919