000 00239nam a2200073 4500
080 _a
_b
245 _aBS-0903 (Part A7) - 1957; Methods of Testing Vulcanized Rubber Part A7 Determination of Hardness
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1957
300 _a12p
999 _c24631
_d24631