A sheet shaped heat generating body 1, wherein said {HEAD ~ substrate} is made of {TAIL ~ an organic fiber} or an inorganic fiber 
is made of
A sheet shaped heat generating body 1 , wherein said { HEAD ~ substrate } is made of { TAIL ~ an organic fiber } or an inorganic fiber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH