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经营范围
发明名称
CRANK CONNECTOR
摘要
申请公布号
JPS55122989(A)
申请公布日期
1980.09.22
申请号
JP19790093324
申请日期
1979.07.24
申请人
INST FRANCAIS DU PETROLE
发明人
JIYANNPOORU NUGUYAN;EMANUERU RABARU;ANDORE SANDORU
分类号
E21B7/06;E21B7/08;E21B17/046;E21B17/20;E21B23/00
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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