-
公开(公告)号：US2619825A
公开(公告)日：1952-12-02
申请号：US78940647
申请日：1947-12-03
Applicant: GEN ELECTRIC
Inventor： ROSENKRANS FRANK A , SALE WALTER M
IPC: D06F1/08
CPC classification number: D06F1/08 , Y10T137/3006 , Y10T137/3222 , Y10T137/4606 , Y10T137/86372
Search Results
1
records
(took 0.009 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
