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摘要
申请公布号
JPH0551931(U)
申请公布日期
1993.07.09
申请号
JP19910109922U
申请日期
1991.12.16
申请人
发明人
分类号
B01J19/12;C03C25/12;G02B6/44;(IPC1-7):C03C25/02
主分类号
B01J19/12
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