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发明名称
Tour
摘要
申请公布号
FR48347(E)
申请公布日期
1937.12.27
申请号
FRD48347
申请日期
1937.04.20
申请人
发明人
WILHELM KROLL
分类号
B23B21/00;B23Q1/68;B23Q35/10
主分类号
B23B21/00
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