ICS DB T Test report compiling regulation DB T DB T GB/T DB T 3CGB eqv ISOGB eqv ISOGB eqv ISODB T GB GB GB - - - - DB T AB C DE -7 7 NO - - - - AC HDB T CMA CALCMA CALCMA CMA CALCALCMA CALCMA CALNCCCDB T D IDB T a BDB T DB T A A DB T DB T B B DB T C C CMA CAL DB T D D DB T E E DB T F F DB T G G DB T H H CMA CAL DB T I I DB T J J DB T K DB T K L _