Tubular solar energy collection apparatus utilizing air media

IL50908A0Inactive Publication Date: 1977-01-31OWENS ILLINOIS INC
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Patent Information

Application Number
IL50908
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1976-01-12
Filing Date
1976-11-14
Publication Date
1977-01-31
Estimated Expiration
Not applicable · inactive patent
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