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008 170101s1900 xx 000 0 und d
041 _aEnglish
082 _aTR 025.43 UN 3
100 _aBRITISH STANDARDS INSTITUTION
245 0 _aUDC 613 HYGIENE
250 _aIV
260 _aLONDON
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300 _a15
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653 _aLIBRARY SCIENCE
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