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发明名称
RULER FOR READING AND WRITING ANGLE
摘要
申请公布号
JPS6461298(A)
申请公布日期
1989.03.08
申请号
JP19870218571
申请日期
1987.09.01
申请人
ONO GIZABURO;ONO SHIYOUKO
发明人
ONO GIZABURO
分类号
B43L13/00;G01B3/56
主分类号
B43L13/00
代理机构
代理人
主权项
地址
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