United States Patent 3172774
US Patent References:
Electrical resistance element
- - 2405449
Electrical resistor and method of making same
- - 2487581
Preparation of impervious graphite
- - 2789038
Electrical resistance element
- - 2405449
Electrical resistor and method of making same
- - 2487581
Preparation of impervious graphite
- - 2789038
Publication Date:
03/09/1965
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Other Classes:
313/357
International Classes:
C04B41/50; C04B41/45