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发明名称
摘要
申请公布号
JPS53119819(U)
申请公布日期
1978.09.22
申请号
JP19770023792U
申请日期
1977.02.28
申请人
发明人
分类号
G03B7/02;F16B7/18;F16B7/22;F16B9/02;F16L23/02;F16L23/036;F16L41/08;H04N5/225;H04N9/04;(IPC1-7):H04N5/26
主分类号
G03B7/02
代理机构
代理人
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