Modern methods of welding
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Davy, C. H.
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Article
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1935
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Wiley (John Wiley & Sons)
โ 415 KB
of iicctylsnlicylic ncid, Fittig cliosc to biise tlic constitiition 011 nil iniicr nnliydride of ortho-liydrosycinnaniic iicid. Tlic Fittig z'erszis Perkin phase of opposing view included other csmipIcs, Iiotiibly in suggestions for tlic foriiiiil~ of the two plicuylcrotouic iicids, tlic iso-ncitl I