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发明名称
摘要
申请公布号
JPH0445540(U)
申请公布日期
1992.04.17
申请号
JP19900087037U
申请日期
1990.08.22
申请人
发明人
分类号
B01J4/00;B28B13/02;(IPC1-7):B01J4/00
主分类号
B01J4/00
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