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发明名称
Percussion device
摘要
申请公布号
US1744802(A)
申请公布日期
1930.01.28
申请号
US19260105383
申请日期
1926.04.29
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
ROCK GEORGE LYNDEN
分类号
B25D9/08;B25D17/06
主分类号
B25D9/08
代理机构
代理人
主权项
地址
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