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公开(公告)号:US3309354A
公开(公告)日:1967-03-14
申请号:US28359763
申请日:1963-05-27
Applicant: ACNA
Inventor: UGO MOISO , SERGIO PAPA SISTO
IPC: C09B45/20
CPC classification number: C09B45/20
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公开(公告)号:US3309354A
公开(公告)日:1967-03-14
申请号:US28359763
申请日:1963-05-27
Applicant: ACNA
Inventor: UGO MOISO , SERGIO PAPA SISTO
IPC: C09B45/20
CPC classification number: C09B45/20