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公开(公告)号：US3300860A
公开(公告)日：1967-01-31
申请号：US871548
申请日：1948-02-16
Applicant: JAMES STEWART DUNCAN , LILJA EDGAR D , BYRNE SLICHTER LOUIS
Inventor： JAMES STEWART DUNCAN , LILJA EDGAR D , BYRNE SLICHTER LOUIS
IPC: F41G9/00
CPC classification number: F41G9/00
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