0000950116-97-000267 SC 13G/A 1 19970214 NASD CENTRAL SPRINKLER CORP 0000766041 3490 232328106 PA 1031 SC 13G/A 34 005-37077 97532578 451 N CANNON AVE LANSDALE PA 19446 2153620700 451 N CANNON AVE LANDSDALE PA 19446 MEYER GEORGE G 0000937662 0000 PA 1231 SC 13G/A 451 NORTH CANNON AVENUE LANSDALE PA 19446 451 NORTH CANNON AVENUE LANSDALE PA 19446 SC 13G/A 1 000095011697000267-001-seq1-sc-13g-a.txt