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经营范围
发明名称
Vibratory Impact Tool.
摘要
申请公布号
GB1156824(A)
申请公布日期
1969.07.02
申请号
GB19660022191
申请日期
1966.05.24
申请人
GENERAL DYNAMICS CORPORATION
发明人
分类号
E21B1/26;B21J7/22;B21J7/24;B25D9/12;E02D7/10;E02D7/18;E21B1/00;E21B1/28
主分类号
E21B1/26
代理机构
代理人
主权项
地址
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