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Colloidal Phenomena in Electrodeposition of Metals
作者
Per Keyser Frölich
出版1925
ISBN
OCLC:37235150
Preparation of Metallic Tungsten by Electrolysis o...
作者
Per Keyser Frölich
出版1923
ISBN
OCLC:37539118
Petroleum, Past, Present & Future
作者
Per Keyser Frolich
出版1944
ISBN
STANFORD:36105047011452
主題
Petroleum
The Effective Use and Proper Care of the Microtome
作者
Abram Fedorovich Ioffe / E. A. Herman Scholten / Gaston F. DuBois / Oscar White Richards / Per Keyser Frolich / United Drill & Tool Corporation
出版1943
ISBN
LCCN:a44003103
主題
Carpentry
The Amphoteric Character of Gelatine and Its Beari...
作者
Per Keyser Froelich
出版1925
ISBN
OCLC:1134931602
The Introduction of Carbonaceous Matter in Electro...
作者
Per Keyser Froelich
出版1925
ISBN
OCLC:1134931980
Petroleum, Past, Present & Future
作者
Per Keyser Frolich
出版1944
ISBN
STANFORD:36105047011452
主題
Petroleum
Annali Della Fondazione Italiana Per la Storia Amm...
作者
Fondazione italiana per la storia amministrativa
出版1965
ISBN
UOM:39015031377750
主題
Public administration