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发明名称
VAESKESPROEYTESYSTEM.
摘要
申请公布号
NO875474(D0)
申请公布日期
1987.12.29
申请号
NO19870005474
申请日期
1987.12.29
申请人
WEATHERFORD U.S. INC
发明人
WOODWARD, MICHAEL JOHN
分类号
B24C3/06;(IPC1-7):B24C/
主分类号
B24C3/06
代理机构
代理人
主权项
地址
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