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公开(公告)号：US2985383A
公开(公告)日：1961-05-23
申请号：US80050159
申请日：1959-03-19
Applicant: SPECIALTIES DEV CORP
Inventor： RASMUSSON DONALD R , SCHRANK GEORGE I
IPC: A62C99/00
CPC classification number: A62C99/0027
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公开(公告)号：US3188417A
公开(公告)日：1965-06-08
申请号：US26564363
申请日：1963-03-18
Applicant: SPECIALTIES DEV CORP
Inventor： RASMUSSON DONALD R , BENJAMIN WENDROFF
IPC: H01H3/02
CPC classification number: H01H3/022 , H01H2003/0233
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