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the Original Hanau Soliput PL93 was a mercury vapour arc discharge sunlamp combined with two quartz-tube elements
the Original Hanau Soliput PL93 was a mercury vapour arc discharge sunlamp combined with two quartz-tube elements
1957
Original Hanau Soliput, type PL93, a mercury
vapour arc discharge sunlamp combined with two
quartz-tube elements.
building