-
公开(公告)号：US2760765A
公开(公告)日：1956-08-28
申请号：US33157453
申请日：1953-01-16
Applicant: ROGER ROOP WILLIAM
Inventor： ROGER ROOP WILLIAM
IPC: A01J11/04
CPC classification number: A01J11/04
-
公开(公告)号：US2631566A
公开(公告)日：1953-03-17
申请号：US17104750
申请日：1950-06-29
Applicant: ROGER ROOP WILLIAM
Inventor： ROGER ROOP WILLIAM
CPC classification number: A01J7/00 , G01G13/00 , Y10T137/3109 , Y10T137/4807 , Y10T137/6579 , Y10T137/8376
-
Search Results
2
records
(took 0.008 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
