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发明名称
TUBE HOLDING DEVICE
摘要
申请公布号
JPH11294054(A)
申请公布日期
1999.10.26
申请号
JP19980093145
申请日期
1998.04.06
申请人
ONDA TADAHISA
发明人
ONDA TADAHISA
分类号
E21B3/025;E02D7/22;E21B3/02;(IPC1-7):E21B3/02;E21B7/22
主分类号
E21B3/025
代理机构
代理人
主权项
地址
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