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发明名称
摘要
申请公布号
FR2326542(B1)
申请公布日期
1982.11.26
申请号
FR19760021779
申请日期
1976.07.16
申请人
UNIT RIG ET EQUIPMENT CO
发明人
分类号
B65G65/20;E02F3/18;E02F3/76;E02F7/02;(IPC1-7):E02F3/78;E02F7/04
主分类号
B65G65/20
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代理人
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