FR890977A - Rasoir de sûreté - Google Patents
Rasoir de sûretéInfo
- Publication number
- FR890977A FR890977A FR890977DA FR890977A FR 890977 A FR890977 A FR 890977A FR 890977D A FR890977D A FR 890977DA FR 890977 A FR890977 A FR 890977A
- Authority
- FR
- France
- Prior art keywords
- safety razor
- razor
- safety
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/16—Safety razors with one or more blades arranged transversely to the handle involving blades with only one cutting edge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/42—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
- H01J25/44—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE230949X | 1949-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR890977A true FR890977A (fr) | 1944-02-23 |
Family
ID=42034557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR890977D Expired FR890977A (fr) | 1949-09-23 | 1943-02-15 | Rasoir de sûreté |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE449134A (ar) |
CH (1) | CH230949A (ar) |
DE (1) | DE832025C (ar) |
FR (1) | FR890977A (ar) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2752523A (en) * | 1951-05-15 | 1956-06-26 | Int Standard Electric Corp | Electron discharge apparatus |
-
0
- BE BE449134D patent/BE449134A/xx unknown
-
1943
- 1943-02-08 CH CH230949D patent/CH230949A/de unknown
- 1943-02-15 FR FR890977D patent/FR890977A/fr not_active Expired
-
1949
- 1949-09-23 DE DEP55807A patent/DE832025C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH230949A (de) | 1944-02-15 |
BE449134A (ar) | |
DE832025C (de) | 1952-02-21 |
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