{HEAD ~ The present invention} relates to a grid electrode, a charging device, and {TAIL ~ an image forming apparatus} 
{ HEAD ~ The present invention } relates to a grid electrode , a charging device , and { TAIL ~ an image forming apparatus }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL