-
公开(公告)号：US1996254A
公开(公告)日：1935-04-02
申请号：US72282734
申请日：1934-04-28
Applicant: ERNEST PARLOW
Inventor： ERNEST PARLOW
IPC: A42B1/20
CPC classification number: A42B1/208 , A42B1/201 , Y10T428/24149
Search Results
1
records
(took 0.015 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
