-
公开(公告)号：US989189A
公开(公告)日：1911-04-11
申请号：US1909525208
申请日：1909-10-28
Applicant: PFEFFER AUGUST
Inventor： PFEFFER AUGUST
CPC classification number: A21D13/0022 , A21D13/31
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
