LU74831A1LU74831ALU74831ALU74831A1LU 74831 A1LU74831 A1LU 74831A1LU 74831 ALU74831 ALU 74831ALU 74831 ALU74831 ALU 74831ALU 74831 A1LU74831 A1LU 74831A1
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LU
Luxembourg
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LU74831A
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Priority claimed from DE19752518358external-prioritypatent/DE2518358C2/de
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Publication of LU74831A1publicationCriticalpatent/LU74831A1/xx
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V5/00—Refractors for light sources
F21V5/02—Refractors for light sources of prismatic shape