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经营范围
发明名称
Pneumatic hammer
摘要
申请公布号
US1771238(A)
申请公布日期
1930.07.22
申请号
US19260157392
申请日期
1926.12.27
申请人
FRANCIS WALSH WILLIAM
发明人
WALSH WILLIAM FRANCIS
分类号
B25D9/18
主分类号
B25D9/18
代理机构
代理人
主权项
地址
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