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发明名称
BLASTING METHOD AND BLASTING TUBE
摘要
申请公布号
JPH11173800(A)
申请公布日期
1999.07.02
申请号
JP19970351969
申请日期
1997.12.08
申请人
DAIHO CONSTR CO LTD
发明人
TSUNODA JIRO;KONDO NORIO
分类号
F42D3/04;E21D1/00;F42D1/08;(IPC1-7):F42D3/04
主分类号
F42D3/04
代理机构
代理人
主权项
地址
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