not be asserted in the form of a privilege by those seeking to prevent disclosure to a federal grand jury of their state grand jury testimony. Fed.Ruks Cr.Proc.Rulc 6(e), 18 U.S.C-A. PI Grand Jury 18=>41.10 193k41.10 151 Witnesses tE=.184(1) 410k184(1) Florida statute imposing secrecy on grand jury