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Application filed by Frederik Thomsen Peter, Johannes Van Dam Wilhelmus, Theodore Lasschuit Pierre, Anton Luii JohannfiledCriticalFrederik Thomsen Peter
Publication of CH65997ApublicationCriticalpatent/CH65997A/en
Improvement on gas incandescent burners with hanging incandescent mantle and burner tube extending in the middle through the bottom of the incandescent mantle