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发明名称
SCALE RULE
摘要
申请公布号
GB8724332(D0)
申请公布日期
1987.11.18
申请号
GB19870024332
申请日期
1987.10.16
申请人
JOHNSON, A R
发明人
分类号
B43K8/22;B43K29/08;G01B3/12;G01D5/34;G06M1/10
主分类号
B43K8/22
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代理人
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