| http://www.w3.org/ns/prov#value | - The second reflection member 3 is attachedthereto so as to surround the first reflection member 2, with a spacing 7 secured between the second reflection member 3 and an outer peripheral surface 2b of the first reflection member 2, through the use of a bonding compound made of solder, a brazingfiller material such as Ag brazing filler, or a resin adhesive such as epoxy resin, acrylic resin, or sil
|
