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发明名称
SELFFDRAWING INSTRUMENT FOR INVOLUTE CURVE
摘要
申请公布号
JPS5670997(A)
申请公布日期
1981.06.13
申请号
JP19790146705
申请日期
1979.11.13
申请人
NAGAOKA HAGURUMA SEISAKUSHO KK
发明人
HAYASHI KINEO;SHIRATA MINORU
分类号
B43L11/08
主分类号
B43L11/08
代理机构
代理人
主权项
地址
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