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HAND HOLD TYPE OCULAR REFRACTOMETER

申请公布号:JPH0397434(A)

申请号:JP19890236596

申请日期:1989.09.12

申请公布日期:1991.04.23

申请人:
CANON INC

发明人:KOBAYAKAWA YOSHI

分类号:A61B3/10;A61B3/15

主分类号:A61B3/10

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