Title:
Chi-ray method and means
United States Patent 1881448

Inventors:
Hinton, Forde Thomas
William, Mellars Newton
Publication Date:
10/11/1932
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Assignee:
FORMELL CORP LTD
Primary Class:
378/121
Other Classes:
600/1, 378/136, 250/399, 378/38, 313/331, 313/269, 378/191, 313/256, 313/240, 313/22, 378/200
International Classes:
A61B6/14; H01J35/32; H01J35/00