DETAIL OF AM iniERLOCKirsc. fenestra; cJOIHT- CONTINUED OWWEXT PA< r- ETAL SASH 331 STEEL AND RADIATION, LIMITED … FENESTRAStandards. Standards in FEN-ESTRA are designed totake 12 inch x i8 inch and14 inch X 20 inch glass size.The initial letter Y de-notes the former, and Zthe latter. Our standardsash is known by numerals.The first figure denotes thenumber of panes wide. .Thesecond figure denotes thenumber of…
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