LU50826A1LU50826ALU50826ALU50826A1LU 50826 A1LU50826 A1LU 50826A1LU 50826 ALU50826 ALU 50826ALU 50826 ALU50826 ALU 50826ALU 50826 A1LU50826 A1LU 50826A1
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Luxembourg
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LU50826A
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Publication of LU50826A1publicationCriticalpatent/LU50826A1/xx
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
F16L9/00—Rigid pipes
F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies