Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 209
... Royal Society of Arts Hydrogen and its Uses By E. F. ARMSTRONG , Ph.D. , D.Sc. , LL.D. , F.R.S. * ( ultra - microscope ) ( microscope ) ( eye. No. 3755 . New Patents and Trade Marks 209 213 215 219 220 221 223 224 It is a characteristic ...
... Royal Society of Arts Hydrogen and its Uses By E. F. ARMSTRONG , Ph.D. , D.Sc. , LL.D. , F.R.S. * ( ultra - microscope ) ( microscope ) ( eye. No. 3755 . New Patents and Trade Marks 209 213 215 219 220 221 223 224 It is a characteristic ...
Strona 223
... ROYAL SOCIETY OF ARTS . COMPETITION OF INDUSTRIAL DESIGNS , 1932 . By kind permission of the Governing Body of the Imperial College of Science and Technology , the public exhibition of works sent in for this year's open Competition of ...
... ROYAL SOCIETY OF ARTS . COMPETITION OF INDUSTRIAL DESIGNS , 1932 . By kind permission of the Governing Body of the Imperial College of Science and Technology , the public exhibition of works sent in for this year's open Competition of ...
Strona 224
... Royal Society of Arts , John Street , Adelphi , London , W.C.2 . New Patents . These particulars of New Patents of interest to Readers have been selected from the Official Journal of Patents , and are published by permission of the ...
... Royal Society of Arts , John Street , Adelphi , London , W.C.2 . New Patents . These particulars of New Patents of interest to Readers have been selected from the Official Journal of Patents , and are published by permission of the ...
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