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发明名称
METHOD FOR COLD-ROLLING PIPES OF VARIABLE WALL THICKNESS IN PILGER MILL
摘要
申请公布号
SU1733134(A1)
申请公布日期
1992.05.15
申请号
SU19894646891
申请日期
1989.02.03
申请人
CH TRUBOPROKATNYJ ZAVOD
发明人
RYABUSHKIN VIKTOR I,SU;KHRISTENKO VITALIJ K,SU
分类号
B21B21/00
主分类号
B21B21/00
代理机构
代理人
主权项
地址
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