-
公开(公告)号：US3190124A
公开(公告)日：1965-06-22
申请号：US15069061
申请日：1961-11-07
Applicant: GEOPHYSICS CORP OF AMERICA
Inventor： KREISMAN WALLACE S
-
公开(公告)号：US3162760A
公开(公告)日：1964-12-22
申请号：US15069161
申请日：1961-11-07
Applicant: GEOPHYSICS CORP OF AMERICA
Inventor： KREISMAN WALLACE S
IPC: H01J49/34
CPC classification number: H01J49/38
-
Search Results
2
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
