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发明名称
PIPE BENDING METHOD AND DEVICE
摘要
申请公布号
CA947630(A)
申请公布日期
1974.05.21
申请号
CA19700090118
申请日期
1970.08.06
申请人
GALPERIN, ABRAM I.;VISHNYAKOV, LEV V.;POKROVSKY, BORIS V.
发明人
GALPERIN, ABRAM I.;VISHNYAKOV, LEV V.;POKROVSKY, BORIS V.
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主分类号
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代理人
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