DE195732C - - Google Patents
Info
- Publication number
- DE195732C DE195732C DENDAT195732D DE195732DA DE195732C DE 195732 C DE195732 C DE 195732C DE NDAT195732 D DENDAT195732 D DE NDAT195732D DE 195732D A DE195732D A DE 195732DA DE 195732 C DE195732 C DE 195732C
- Authority
- DE
- Germany
- Prior art keywords
- heating
- water
- return pipe
- boiler
- circulation
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE195732C true DE195732C (cs) |
Family
ID=458767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT195732D Active DE195732C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE195732C (cs) |
-
0
- DE DENDAT195732D patent/DE195732C/de active Active
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