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发明名称
摘要
申请公布号
JPS53141770(U)
申请公布日期
1978.11.09
申请号
JP19770045272U
申请日期
1977.04.13
申请人
发明人
分类号
B01D21/24;B01D21/00;(IPC1-7):C02C1/36
主分类号
B01D21/24
代理机构
代理人
主权项
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