75453862
Mar 20, 1998
SHOWA SHINKU CO. LTD.
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VACUUM EVAPORATION MACHINES, SPUTTERING MACHINES, ION PLATING MACHINES, VACUUM METALLURGIC MACHINES, VACUUM EXHAUST MACHINES AND GENERAL VACUUM MACHINES, NAMELY, OIL-SEALED ROTARY VACUUM PUMPS AND OIL DIFFUSION PUMPS