Work pieces for high temperature operation and method of making them
United States Patent 2902392

Inventors:
Erich, Fitzer
Publication Date:
09/01/1959
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Assignee:
SIEMENS PLANIAWERKE AG
Primary Class:
428/629
Other Classes:
428/660, 428/632, 428/555, 428/641, 428/672, 148/276
International Classes:
C04B41/50; C22C32/00; C23C8/10; H01B1/06; H05B3/14; C04B41/45
US Patent References:
2683305Molybdenum coated article and method of making
2739107Applying protective metal coatings on refractory metals
2772227Protection of molybdenum and tungsten at high temperatures