TREATING PIPES AND DUCTS; METHOD AND APPARATUS COMPRISING A COIL ABOUT A SECTION OF THE PIPE AND MEANS FOR CREATING AN ELECTROMAGNETIC FIELD WITHIN THE PIPE
摘要
申请公布号
NZ255970(A)
申请公布日期
1997.11.24
申请号
NZ19930255970
申请日期
1993.09.21
申请人
BARNES, CLIVE;TELFER, DAVID BRIAN;MIDDLETON, DAVID LESLIE PHILLIP
发明人
BARNES, CLIVE;TELFER, DAVID BRIAN;MIDDLETON, DAVID LESLIE PHILLIP