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1.

図書
図書
1. Tests and reagents : chemical and microscopical. 1st ed
by Alfred I. Cohn
出版情報: New York : J. Wiley , London : Chapman & Hall, 1916
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2.

図書
図書
2. Indicators and test-papers : their source, preparation, application, and tests for sensitiveness. 2nd rev. and enl. ed
by Alfred I. Cohn
出版情報: New York : J. Wiley, c1902
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