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公开(公告)号：US3030392A
公开(公告)日：1962-04-17
申请号：US74404358
申请日：1958-06-24
Applicant: STALEY MFG CO A E
Inventor： BRALLEY JAMES A , HANS WOLFF
IPC: C08G59/40
CPC classification number: C08G59/4078 , H03H2001/0042
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