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发明名称
Pneumatic impact device
摘要
申请公布号
US2474235(A)
申请公布日期
1949.06.28
申请号
US19450635118
申请日期
1945.12.14
申请人
DRESSER OSCAR C;OSCAR NORGORDEN;SHANAHAN FRANCIS J;SHULER CARROLL R
发明人
DRESSER OSCAR C.;NORGORDEN OSCAR;SHANAHAN FRANCIS J.;SHULER CARROLL R.
分类号
G01N3/30
主分类号
G01N3/30
代理机构
代理人
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