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发明名称
摘要
申请公布号
JPS5536968(B2)
申请公布日期
1980.09.25
申请号
JP19720079359
申请日期
1972.08.08
申请人
发明人
分类号
G03B9/08;G03B9/34;G03B9/58;G03B9/62
主分类号
G03B9/08
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