AMERICAN FDS LTD TERM TAX EX BOND FD MUTUAL FUNDS USMF - What does AMERICAN FDS LTD TERM TAX EX BOND FD MUTUAL FUNDS USMF mean? - What does AMERICAN FDS LTD TERM TAX EX BOND FD MUTUAL FUNDS USMF stand for? - AMERICAN FDS LTD TERM TAX EX BOND FD MUTUAL FUNDS USMF meaning