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经营范围
发明名称
Portable power hammer
摘要
申请公布号
US1791332(A)
申请公布日期
1931.02.03
申请号
US19300436670
申请日期
1930.03.18
申请人
STRAKEY JOSEPH A;BITNER ABRAM H
发明人
STRAKEY JOSEPH A.;BITNER ABRAM H.
分类号
B21J7/12
主分类号
B21J7/12
代理机构
代理人
主权项
地址
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