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发明名称
Emergency gas shut-off tool
摘要
Emergency gas shut-off tool; comprising a three-dimensional shank, having an upper end terminating in a butt and an inverted U-shaped three-dimensional head mounted rotatably to the shank adjacent the butt so as to form a closed space therewith.
申请公布号
US4656895(A)
申请公布日期
1987.04.14
申请号
US19850700496
申请日期
1985.02.11
申请人
ARNHEM, ERIK M.
发明人
WILSON, JOHNNIE L.
分类号
B25B13/48;B25B23/16;B25F1/00;(IPC1-7):B25B13/00;B25B13/30;B25G1/00
主分类号
B25B13/48
代理机构
代理人
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