US2262023A
|
|
Volatile welding flux
|
US2262072A
|
|
Metallizing operation
|
US2262187A
|
|
Volatile welding flux
|
US2231014A
|
|
Welding process and apparatus
|
GB503716A
|
|
Improvements in or relating to the casting of metals
|
US2201555A
|
|
Copper and copper base alloys
|
US2183127A
|
|
Process for preparing isophorone
|
US2205885A
|
|
Preparation of acetylenic acids
|
US2175581A
|
|
Preparation of acetylenic carbinols
|
US2194920A
|
|
Process of dispensing volatile welding flux
|
US2211448A
|
|
Utilization of volatile fluxes in welding operations
|
US2197956A
|
|
Vapor phase dehydration of acetylenic alcohols
|
US2163720A
|
|
Preparation of acetylenic alcohols
|
US2250558A
|
|
Conversion of tertiary acetylenic alcohols
|
US2156365A
|
|
Production of highly active metal carbides
|
GB485871A
|
|
Refractory composition and process for making the same
|
GB464191A
|
|
Improvements in and relating to welding
|
US2178833A
|
|
Apparatus for producing hydrogennitrogen mixtures
|
US2140905A
|
|
Turbine blade
|
US2152194A
|
|
Electric welding
|