Title:
RAM ASSEMBLY
United States Patent 3434729


Inventors:
Shaffer, Donald U.
Vertson, John A.
Application Number:
US3434729DA
Publication Date:
03/25/1969
Filing Date:
10/21/1965
Assignee:
SHAFFER TOOL WORKS
Primary Class:
Other Classes:
137/315.02, 251/1.3
International Classes:
E21B33/06; (IPC1-7): F16L15/02; E21B33/06
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