-
公开(公告)号：US3517854A
公开(公告)日：1970-06-30
申请号：US3517854D
申请日：1968-01-10
Applicant: LEITZ LOUIS
Inventor： SIXT GERHARD , ZIEGLER EUGEN
CPC classification number: B42F7/145
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
