Composite coated structural article
United States Patent 2727832

Inventors:
Christensen, John C.
Fair Jr., William F.
Publication Date:
12/20/1955
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Assignee:
KOPPERS CO INC
Primary Class:
428/443
Other Classes:
106/14.340, 428/454, 106/284.010, 106/14.110, 106/277, 427/403, 106/282, 428/907, 106/284, 106/14.390
International Classes:
C04B41/52; C04B41/45
Other References:
None