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发明名称
摘要
申请公布号
JPS5321858(B2)
申请公布日期
1978.07.05
申请号
JP19740046212
申请日期
1974.04.23
申请人
发明人
分类号
G03B7/093;G03B9/62
主分类号
G03B7/093
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代理人
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地址
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