Patent search ap:("SOUTHWIRE CO") AND inv:"ROBAATO SUTEIBUN RIN" Page 1

1.

发明专利
NON FERROUS METAL HOT ROLLING MILL AND SAID WORK ROLL AND SAID WORK ROLL MANUFACTURING PROCESS 失效

公开(公告)号：JPS53113251A

公开(公告)日：1978-10-03

申请号：JP2718578

申请日：1978-03-11

Applicant: SOUTHWIRE CO

Inventor： ROBAATO SUTEIBUN RIN

IPC: B21B1/16 , B21B27/00 , C21D9/38 , C22C38/00

2.

发明专利
失效

公开(公告)号：JPS5829166B2

公开(公告)日：1983-06-21

申请号：JP2718578

申请日：1978-03-11

Applicant: SOUTHWIRE CO

Inventor： ROBAATO SUTEIBUN RIN

IPC: B21B1/16 , B21B27/00 , C21D9/38 , C22C38/00

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