*DJ US Jobless Claims -47K To 522K In Jul 11 Wk; Survey -52K
*DJ US Jul 4 Week Continuing Claims -642K to 6,273,000
*DJ US Jul 4 Week Jobless Claims Revised To 569K From 565K
*DJ Labor: Claims Decline Due To Technical Factors
*DJ Labor: Big Claims Drops Not Indicative Of Econ Revival
*DJ US Continuing Claims Drop Largest On Record