FR447880A - Closure for hollow ceiling bricks - Google Patents
Closure for hollow ceiling bricksInfo
- Publication number
- FR447880A FR447880A FR447880DA FR447880A FR 447880 A FR447880 A FR 447880A FR 447880D A FR447880D A FR 447880DA FR 447880 A FR447880 A FR 447880A
- Authority
- FR
- France
- Prior art keywords
- closure
- hollow ceiling
- ceiling bricks
- bricks
- hollow
- 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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/003—Apparatus or processes for treating or working the shaped or preshaped articles the shaping of preshaped articles, e.g. by bending
- B28B11/006—Making hollow articles or partly closed articles
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR447880T | 1912-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR447880A true FR447880A (en) | 1913-01-17 |
Family
ID=1488538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR447880D Expired FR447880A (en) | 1912-09-02 | 1912-09-02 | Closure for hollow ceiling bricks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR447880A (en) |
-
1912
- 1912-09-02 FR FR447880D patent/FR447880A/en not_active Expired
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