FR354844A - Concrete pipe - Google Patents
Concrete pipeInfo
- Publication number
- FR354844A FR354844A FR354844DA FR354844A FR 354844 A FR354844 A FR 354844A FR 354844D A FR354844D A FR 354844DA FR 354844 A FR354844 A FR 354844A
- Authority
- FR
- France
- Prior art keywords
- concrete pipe
- concrete
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/58—Steel tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/34—Combined voltage and current transformers
- H01F38/36—Constructions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE354844X | 1957-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR354844A true FR354844A (en) | 1905-10-14 |
Family
ID=6289801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR354844D Expired FR354844A (en) | 1904-12-19 | 1905-05-31 | Concrete pipe |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH354844A (en) |
FR (1) | FR354844A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1663101B1 (en) * | 1961-10-27 | 1970-03-12 | Siemens Ag | Measurement group consisting of current and voltage transformers |
-
1905
- 1905-05-31 FR FR354844D patent/FR354844A/en not_active Expired
-
1957
- 1957-09-11 CH CH354844D patent/CH354844A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH354844A (en) | 1961-06-15 |
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