Карбидная лампа: различия между версиями

| issue = 4

| year = 1896}}</ref><ref>{{cite journal|last=Freeman|first=Horace|title=Manufacture of Cyanamide|journal=The Chemical News and the Journal of Physical Science|year=1919|volume=117|page=232|url=https://books.google.com/?id=5SAzAQAAMAAJ&pg=PA232}}</ref>

 

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