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METHOD OF PREPARING DOUBLE-SPOT WELDED JOINTS ESPECIALLY FOR PRODUCING HIGH-MELT ROD-FOIL-ROD TYPE CURRENT CONDUCTORS PRESS-SEALED INTO HARD GLASS OR QUARTZ GLASS
METHOD OF PREPARING DOUBLE-SPOT WELDED JOINTS ESPECIALLY FOR PRODUCING HIGH-MELT ROD-FOIL-ROD TYPE CURRENT CONDUCTORS PRESS-SEALED INTO HARD GLASS OR QUARTZ GLASS
