-
公开(公告)号：US2528485A
公开(公告)日：1950-11-07
申请号：US123148
申请日：1948-01-08
Applicant: JOSEPH CHENOUARD
Inventor： JOSEPH CHENOUARD
CPC classification number: B42F21/045 , B42F15/026
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
