Document 6Bb0gyDd213r8m2XjmazygB5d

PLIBK5C0 EKQIf\LiLMii\Er\ and INSTALLATION DATA Issued by PUbrico Jointless Firebrick Co., Chicago, 111. Raymond S. Welshon_, Editor Sr**"**** PLAINTIFFS ^EXHIBIT -r:r . PLI-57 a 5m* Tn^ty /tf}uLATto*y Jo/*T & v a Two MOTRCDS fOR SuiLD/MG Pucast Pt/tvs A/?cm Forms ,acm <*M -rrs.'ycTK. --j--