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公开(公告)号：US3142804A
公开(公告)日：1964-07-28
申请号：US22611862
申请日：1962-09-25
Applicant: SPACE TECHNOLOGY LAB INC
Inventor： GRAVES ROSS E , SACKS JACOB M
IPC: G01R25/00
CPC classification number: G01R25/00
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