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经营范围
发明名称
PIPE PROPELLING DEVICE
摘要
申请公布号
AU574134(B2)
申请公布日期
1988.06.30
申请号
AU19850039087
申请日期
1985.02.22
申请人
ISEKI KAIHATSU KOKI K.K.
发明人
TOSHIO AKESAKA
分类号
E21D9/06;B66F3/24;B66F19/00;E21B7/04;E21B7/20;F15B11/036;F15B15/16;(IPC1-7):F16L1/02;F16L55/00
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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