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公开(公告)号:DE3573139D1
公开(公告)日:1989-10-26
申请号:DE3573139
申请日:1985-05-10
Applicant: IBM
Inventor: AMELIO WILLIAM JOSEPH , BARTOLOTTA PETER GERARD , MARKOVICH VOYA , PARSONS RALPH ELLIOTT
IPC: C23C18/40