NL71128C - - Google Patents
Info
- Publication number
- NL71128C NL71128C NL71128DA NL71128C NL 71128 C NL71128 C NL 71128C NL 71128D A NL71128D A NL 71128DA NL 71128 C NL71128 C NL 71128C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Credit Cards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US566200A US2387828A (en) | 1944-12-01 | 1944-12-01 | Punching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71128C true NL71128C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=24261918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71128D NL71128C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1944-12-01 |
Country Status (4)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2713390A (en) * | 1952-02-27 | 1955-07-19 | Otto E Kase | Record recoding and reproducing machine |
| US2756824A (en) * | 1953-09-17 | 1956-07-31 | Sperry Rand Corp | Record sensing and selective punching means |
-
0
- NL NL71128D patent/NL71128C/xx active
-
1944
- 1944-12-01 US US566200A patent/US2387828A/en not_active Expired - Lifetime
-
1946
- 1946-01-07 GB GB608/46A patent/GB601099A/en not_active Expired
- 1946-04-15 FR FR925630D patent/FR925630A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB601099A (en) | 1948-04-27 |
| US2387828A (en) | 1945-10-30 |
| FR925630A (fr) | 1947-09-09 |