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公开(公告)号：US3150993A
公开(公告)日：1964-09-29
申请号：US20523062
申请日：1962-06-26
Applicant: STALEY MFG CO A E
Inventor： ELDRED HANSON CLEO , TUSCHHOFF JOHN V
IPC: C08B31/18
CPC classification number: C08B31/185
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