-
公开(公告)号：US2378185A
公开(公告)日：1945-06-12
申请号：US48239043
申请日：1943-04-09
Applicant: DITTO INC
Inventor： CHATTERTON CECIL M
IPC: B65H1/04
CPC classification number: B65H1/04
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
