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公开(公告)号：US1891528A
公开(公告)日：1932-12-20
申请号：US52326831
申请日：1931-03-17
Applicant: CONDOR COMPANY
Inventor： FITTS SILAS W C
IPC: F16J15/32
CPC classification number: F16J15/3212 , Y10T16/62
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公开(公告)号：US1834609A
公开(公告)日：1931-12-01
申请号：US52326931
申请日：1931-03-17
Applicant: CONDOR COMPANY
Inventor： FITTS SILAS W C
IPC: E05F1/10
CPC classification number: E05F1/105 , E05Y2900/132 , Y10T16/568
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