-
公开(公告)号：US832363A
公开(公告)日：1906-10-02
申请号：US1904198475
申请日：1904-03-16
Applicant: LOUIS B MARKS
Inventor： BODDE THEODORE
CPC classification number: H01J13/38
-
公开(公告)号：US712397A
公开(公告)日：1902-10-28
申请号：US1902099743
申请日：1902-03-24
Applicant: LOUIS B MARKS
Inventor： MATTHEWS CHARLES PHILO
CPC classification number: G01J1/00
-
Search Results
2
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
