Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3744Chemical news office., 1932 |
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Strona 38
... Patents are announcing a reduc- tion in their prices - something of an event , as their charges hitherto have been unchanged since their machines were first manufactured . The reasons given for the change are that their System of Modern ...
... Patents are announcing a reduc- tion in their prices - something of an event , as their charges hitherto have been unchanged since their machines were first manufactured . The reasons given for the change are that their System of Modern ...
Strona 48
... 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 Controller of H.M. Stationery Office and the Official Journal of Patents ...
... 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 Controller of H.M. Stationery Office and the Official Journal of Patents ...
Strona
... Patents , Trade Marks or Designs , should apply to Rayner & Co. , Patent Agents , of 5 , Chancery Lane , Lon- don , who will give free advice to readers mentioning " Chemical News . " 66 PRINTING For the · CHEMICAL ENGINEERING & ALLIED ...
... Patents , Trade Marks or Designs , should apply to Rayner & Co. , Patent Agents , of 5 , Chancery Lane , Lon- don , who will give free advice to readers mentioning " Chemical News . " 66 PRINTING For the · CHEMICAL ENGINEERING & ALLIED ...
Spis treści
H W BLOOD RYAN M A D Sc LL D Ph D | 34 |
U S Chemists Battle over Best Type of Catalyst | 42 |
New Patents | 48 |
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