A partition 76 is provided beneath bottom 38 of {HEAD ~ closure valve} 51 in tank filling pipe 2 and is provided with a gasket 78 on {TAIL ~ its upper end} 77 
A partition 76 is provided beneath bottom 38 of { HEAD ~ closure valve } 51 in tank filling pipe 2 and is provided with a gasket 78 on { TAIL ~ its upper end } 77
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH