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发明名称
Improvements in or relating to the securing of explosive charges in boreholes
摘要
申请公布号
GB800676(A)
申请公布日期
1958.08.27
申请号
GB19560010226
申请日期
1956.04.04
申请人
ROLFES LIMITED
发明人
ROLFES FRITZ HERMANN
分类号
F42D1/18
主分类号
F42D1/18
代理机构
代理人
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地址
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