000 00396nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a660
_bBUR
100 _aBureau Of Indian Standards
245 0 _aSpecification for shell flanges for vessels and equipment
260 _aDelhi :
_bBis Publication,
_c1969.
300 _a41
365 _a100
650 _aChemical Engineering
999 _c133348
_d133348