Composite metal article
United States Patent 1685657

Inventors:
Whitney, Willis R.
Publication Date:
09/25/1928
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Assignee:
GEN ELECTRIC
Primary Class:
165/180
Other Classes:
228/220, 219/161, 228/178, 228/255, 29/890.054, 29/890.046
International Classes:
B23K1/19