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经营范围
发明名称
摘要
申请公布号
JPS6039032(U)
申请公布日期
1985.03.18
申请号
JP19830129275U
申请日期
1983.08.23
申请人
发明人
分类号
G03B17/42;G03B17/36;(IPC1-7):G03B17/36
主分类号
G03B17/42
代理机构
代理人
主权项
地址
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