-
公开(公告)号:US2756162A
公开(公告)日:1956-07-24
申请号:US34161453
申请日:1953-03-10
Applicant: SHELL DEV
Inventor: JAMES GARNER PHILIP , ROBERT GRAHAM
IPC: C23C22/02
CPC classification number: C23C22/02 , Y10T428/31678
-
公开(公告)号:US2664874A
公开(公告)日:1954-01-05
申请号:US214148
申请日:1948-01-13
Applicant: SHELL DEV
Inventor: ROBERT GRAHAM
CPC classification number: C23C2/04 , C23C2/12 , C23C10/28 , Y10S428/935 , Y10S428/941 , Y10T29/49314 , Y10T428/12736 , Y10T428/12757 , Y10T428/12937 , Y10T428/12944
-
-