NL29666C - - Google Patents
Info
- Publication number
- NL29666C NL29666C NL29666DA NL29666C NL 29666 C NL29666 C NL 29666C NL 29666D A NL29666D A NL 29666DA NL 29666 C NL29666 C NL 29666C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1937437X | 1928-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL29666C true NL29666C (ja�@�@) |
Family
ID=19873338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL29666D NL29666C (ja�@�@) | 1928-03-14 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1937437A (ja�@�@) |
| DE (1) | DE552300C (ja�@�@) |
| NL (1) | NL29666C (ja�@�@) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5240600A (en) * | 1990-07-03 | 1993-08-31 | International Environmental Systems, Inc., Usa | Water and wastewater treatment system |
-
0
- NL NL29666D patent/NL29666C/xx active
-
1928
- 1928-04-24 DE DEN28764D patent/DE552300C/de not_active Expired
- 1928-08-27 US US302423A patent/US1937437A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE552300C (de) | 1932-06-11 |
| US1937437A (en) | 1933-11-28 |