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发明名称
CARTRIDGE FOR ROCK-BOLTING
摘要
申请公布号
GB1599917(A)
申请公布日期
1981.10.07
申请号
GB19780025270
申请日期
1978.05.31
申请人
EXCHEM HOLDINGS LTD
发明人
分类号
E21D21/00;C04B28/24;E21D20/00;E21D20/02;F16B13/14;(IPC1-7):F16B11/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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