-
-
公开(公告)号:US2541700A
公开(公告)日:1951-02-13
申请号:US65104246
申请日:1946-02-28
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C25D3/40
CPC classification number: C25D3/40
-
公开(公告)号:US2342104A
公开(公告)日:1944-02-22
申请号:US42960842
申请日:1942-02-05
Applicant: DU PONT
Inventor: HOLT DONALD A
CPC classification number: C23C8/46 , C23C8/00 , Y10S148/902 , Y10S428/939 , Y10T428/12965 , Y10T428/12979
-
公开(公告)号:US2364292A
公开(公告)日:1944-12-05
申请号:US50675343
申请日:1943-10-18
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C23C8/46
CPC classification number: C23C8/46
-
公开(公告)号:US2255057A
公开(公告)日:1941-09-09
申请号:US29743339
申请日:1939-10-02
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C25D3/40
CPC classification number: C25D3/40
-
公开(公告)号:US2049806A
公开(公告)日:1936-08-04
申请号:US66027833
申请日:1933-03-10
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C23C8/46
CPC classification number: C23C8/46
-
公开(公告)号:US2247579A
公开(公告)日:1941-07-01
申请号:US32887540
申请日:1940-04-10
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C21D1/46
CPC classification number: C21D1/46
-
-
公开(公告)号:US2231009A
公开(公告)日:1941-02-11
申请号:US19239638
申请日:1938-02-24
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C21D1/46
CPC classification number: C21D1/46
-
公开(公告)号:US2128819A
公开(公告)日:1938-08-30
申请号:US17113937
申请日:1937-10-26
Applicant: DU PONT
Inventor: HOLT DONALD A
IPC: C01C3/10
CPC classification number: C01C3/10
-
-
-
-
-
-
-
-
-