Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3751Chemical news office., 1932 |
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Strona 157
... Patents for Chemists . JOSEPH ROSSMAN , Ph.D. , LL.B. , B.S. Chem . Eng . Patent Examiner U.S. Patent Office . Pp . ix +304 . The Inventors Pub- lishing Co. , Washington , D.C. , U.S.A. Price 3.50 dollars . This book is of course ...
... Patents for Chemists . JOSEPH ROSSMAN , Ph.D. , LL.B. , B.S. Chem . Eng . Patent Examiner U.S. Patent Office . Pp . ix +304 . The Inventors Pub- lishing Co. , Washington , D.C. , U.S.A. Price 3.50 dollars . This book is of course ...
Strona 158
... patents . The author is an expert in his subject , being Examiner of Chemical inventions in the U.S. Patent Office , during which time he has passed thousands of patent applica- tions , thus obtaining an intimate knowledge of American ...
... patents . The author is an expert in his subject , being Examiner of Chemical inventions in the U.S. Patent Office , during which time he has passed thousands of patent applica- tions , thus obtaining an intimate knowledge of American ...
Strona 160
... Patents can be obtained from the Patent Office , 25 , Southampton Build- ings , London , W.C.2 . , price 1 / - weekly ( annual subscription , £ 2 10s . ) . Latest Patent Applications . 3,954 . - Akt . - Ges , Brown , Boveri , et Cie ...
... Patents can be obtained from the Patent Office , 25 , Southampton Build- ings , London , W.C.2 . , price 1 / - weekly ( annual subscription , £ 2 10s . ) . Latest Patent Applications . 3,954 . - Akt . - Ges , Brown , Boveri , et Cie ...
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