In addition, reference numeral designates front and rear side walls which are slidably held in contact with {HEAD ~ the front and rear side portions} of {TAIL ~ the same bellows} , and the top end portions of these front and rear side walls are fixedly secured to the member that is integral with the machine frame 
of
In addition , reference numeral designates front and rear side walls which are slidably held in contact with { HEAD ~ the front and rear side portions } of { TAIL ~ the same bellows } , and the top end portions of these front and rear side walls are fixedly secured to the member that is integral with the machine frame
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH