-
公开(公告)号：US2281884A
公开(公告)日：1942-05-05
申请号：US27774939
申请日：1939-06-07
Applicant: SHARPLES CORP
Inventor： LACHLE FRANCIS B
IPC: C11B3/06
CPC classification number: C11B3/06
Search Results
1
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
