Now description will be made on {HEAD ~ one preferred embodiment} of the double facer according to the present invention with {TAIL ~ reference} to FIGS 1 to 4 
Now description will be made on { HEAD ~ one preferred embodiment } of the double facer according to the present invention with { TAIL ~ reference } to FIGS 1 to 4
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH