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发明名称
Percussion tool
摘要
申请公布号
US1920765(A)
申请公布日期
1933.08.01
申请号
US19300448460
申请日期
1930.04.30
申请人
LUDVIK RASCH
发明人
RASCH LUDVIK
分类号
B25D9/10
主分类号
B25D9/10
代理机构
代理人
主权项
地址
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