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Improvements in or relating to dyestuffs

申请公布号:GB620802(A)

申请号:GB19470002239

申请日期:1947.01.24

申请公布日期:1949.03.30

申请人:
FRANK PETER DOYLE;JOHN DAVID KENDALL;ILFORD LIMITED

分类号:C09B23/01;C09B23/02

主分类号:C09B23/01

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