-
公开(公告)号：US1250027A
公开(公告)日：1917-12-11
申请号：US17202317
申请日：1917-05-31
Applicant: CHRISTOPHER HENDERSON , SANDFORD CHARLES SR
Inventor： SANDFORD CHARLES SR
IPC: E05B55/04
CPC classification number: E05B57/00 , Y10T70/5522 , Y10T70/8919 , Y10T292/1006 , Y10T292/1011
Search Results
1
records
(took 0.014 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
