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<http://webisa.webdatacommons.org/prov/167351447>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/109245345> .
<http://webisa.webdatacommons.org/109245345>	<http://www.w3.org/ns/prov#value>	"nt apparatus includes: a first radiation mechanism for adjusting the temperature by providing radiation heat to a predetermined area of the optical member; and a shielding member for shielding the radiation heat from the first radiation mechanism so that the radiation heat does not propagate to an area other than the predetermined area of the optical member. 21." .
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