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经营范围
发明名称
摘要
申请公布号
JPS63185462(U)
申请公布日期
1988.11.29
申请号
JP19870073768U
申请日期
1987.05.19
申请人
发明人
分类号
B03C3/68;(IPC1-7):B03C3/68
主分类号
B03C3/68
代理机构
代理人
主权项
地址
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