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公开(公告)号:US2852155A
公开(公告)日:1958-09-16
申请号:US64597557
申请日:1957-03-14
Applicant: WIESNER RAPP COMPANY INC
Inventor: ARNOLD WALTER W , FRED HEUSER
公开(公告)号:US2852155A
公开(公告)日:1958-09-16
申请号:US64597557
申请日:1957-03-14
Applicant: WIESNER RAPP COMPANY INC
Inventor: ARNOLD WALTER W , FRED HEUSER