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发明名称
PERCUSSION TOOL CONTROL MEANS
摘要
申请公布号
US3464500(A)
申请公布日期
1969.09.02
申请号
USD3464500
申请日期
1967.11.16
申请人
GARDNER DENVER CO.
发明人
ARTHUR W. WALLACE
分类号
B25D9/08;B25D9/26;E21B1/30;E21B44/00;(IPC1-7):B23Q5/06;E21C7/08;B25D17/14
主分类号
B25D9/08
代理机构
代理人
主权项
地址
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