The valve 1, wherein {TAIL ~ said latching means} define {HEAD ~ a held position} of said counterholder in said housing 
The valve 1 , wherein { TAIL ~ said latching means } define { HEAD ~ a held position } of said counterholder in said housing
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH