参考文献
Gmelin Handbook: Cu: MVol.A1, 11.10, page 693 - 695
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Cellocilk Co., Furness Corp.
Patent: US1800828 , 1931 ;
C., 1931 , p. II 106
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Cellocilk Co., Furness Corp.
Patent: US1867357 , 1932 ;
C., 1932 , p. II 2093