-
公开(公告)号：US2918933A
公开(公告)日：1959-12-29
申请号：US32057452
申请日：1952-11-14
Applicant: OIL CT TOOL COMPANY
Inventor： BOITNOTT BOYD D
IPC: G05D7/01
CPC classification number: G05D7/0146 , Y10T137/7789 , Y10T137/7791
-
公开(公告)号：US2726104A
公开(公告)日：1955-12-06
申请号：US32090252
申请日：1952-11-17
Applicant: OIL CT TOOL COMPANY
Inventor： BOITNOTT BOYD D , ZAWACKI JOHN P
CPC classification number: F16L27/082 , Y10S251/90 , Y10S285/909 , Y10S285/918
-
Search Results
2
records
(took 0.221 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
