发明名称 |
SLAGSTANG |
摘要 |
This invention relates to improvements in working member assemblies and is described hereinbelow with particular reference to a novel striking bar assembly for use in open front type rock drills. |
申请公布号 |
SE7709972(A) |
申请公布日期 |
1978.03.14 |
申请号 |
SE19770009972 |
申请日期 |
1977.09.06 |
申请人 |
* JOY MANUFACTURING COMPANY |
发明人 |
E A * BAILEY;L H * LEBLANC JR |
分类号 |
B25D15/00;(IPC1-7):E21C3/34 |
主分类号 |
B25D15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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