Patent search ap:("RPC IND") AND inv:"RICHAADO AARU SUMISU" Page 1

1.

发明专利
失效

公开(公告)号：JPH0459736B2

公开(公告)日：1992-09-24

申请号：JP7214988

申请日：1988-03-28

Applicant: RPC IND

Inventor： SHAAMAN AARU FUARERU , RICHAADO AARU SUMISU

IPC: H01J27/08 , H01J3/02 , H01J27/20 , H01J33/00 , H01J37/06 , H01J37/08

Patent Agency Ranking