-
公开(公告)号：US640974A
公开(公告)日：1900-01-09
申请号：US1899715355
申请日：1899-05-02
Applicant: SUTHERLAND JAMES COOPER
Inventor： SUTHERLAND JAMES COOPER
CPC classification number: G01F3/30
Search Results
1
records
(took 0.044 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
