72273180
Jun 6, 1967
May 6, 1969
MARGINALLY PUNCHED CONTINUOUS DATA PROCESSING FORMS, AND OTHER FORMS PRODUCED BY MEANS OF A CONTINUOUS MANUFACTURING PROCESS IN A MANNER SIMILAR TO THAT BY WHICH "UNIT SETS" ARE CUSTOMARILY PRODUCED, ALL AS THE SAME MAY BE NOW PRODUCED OR HEREAFTER SIMILARLY PRODUCED
Building Construction and Repair