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公开(公告)号:CA574978A
公开(公告)日:1959-04-28
申请号:CA574978D
Applicant: CALIFORNIA RESEARCH CORP
Inventor: TOLAND WILLIAM G , LEVINE IRVING E
公开(公告)号:CA574978A
公开(公告)日:1959-04-28
申请号:CA574978D
Applicant: CALIFORNIA RESEARCH CORP
Inventor: TOLAND WILLIAM G , LEVINE IRVING E