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U.S. Department of Energy
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Solar collector comprising an evacuated cover

Patent ·
OSTI ID:6453153
A solar collector is disclosed including at least one evacuated transparent cover tube provided with means for supplying hydrogen to and extracting hydrogen from the cover tube.
Assignee:
U.S. Philips Corp.
Patent Number(s):
US 4142509
OSTI ID:
6453153
Country of Publication:
United States
Language:
English

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