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Library of Congress
Search Library of Congress by triple pattern
subject
predicate
object
Matches in Library of Congress for
{ ?s ?p Shale-oil patents.. }
Showing items 1 to 2 of
2
with
100
items per page.
48046682
alternative
"
Shale-oil patents.
"
.
49046133
alternative
"
Shale-oil patents.
"
.
