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发明名称
BLASTING MATS
摘要
申请公布号
CA1019202(A)
申请公布日期
1977.10.18
申请号
CA19770270759
申请日期
1977.01.31
申请人
ROBERTSON, THOMAS A.;KING, JOHN A.
发明人
ROBERTSON, THOMAS A.;KING, JOHN A.
分类号
F42D5/05
主分类号
F42D5/05
代理机构
代理人
主权项
地址
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