FR522858A - Instrument pour tracer des circonférences - Google Patents
Instrument pour tracer des circonférencesInfo
- Publication number
- FR522858A FR522858A FR522858A FR522858DA FR522858A FR 522858 A FR522858 A FR 522858A FR 522858 A FR522858 A FR 522858A FR 522858D A FR522858D A FR 522858DA FR 522858 A FR522858 A FR 522858A
- Authority
- FR
- France
- Prior art keywords
- circumferences
- tracing
- instrument
- tracing circumferences
- 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
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
- B43L9/02—Compasses
- B43L9/04—Beam compasses
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH150705X | 1919-09-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR522858A true FR522858A (fr) | 1921-08-08 |
Family
ID=4406097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR522858A Expired FR522858A (fr) | 1919-09-01 | 1920-08-25 | Instrument pour tracer des circonférences |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH85235A (xx) |
DE (1) | DE341404C (xx) |
FR (1) | FR522858A (xx) |
GB (1) | GB150705A (xx) |
NL (1) | NL9448C (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111571552A (zh) * | 2020-05-12 | 2020-08-25 | 廖国华 | 一种用于木板加工的画圆设备 |
CN113843764B (zh) * | 2021-11-10 | 2022-12-30 | 上海外高桥造船有限公司 | 画圆工具及船舶加工设备 |
-
0
- NL NL9448D patent/NL9448C/xx active
-
1919
- 1919-09-01 CH CH85235D patent/CH85235A/de unknown
-
1920
- 1920-08-18 DE DE1920341404D patent/DE341404C/de not_active Expired
- 1920-08-25 FR FR522858A patent/FR522858A/fr not_active Expired
- 1920-08-31 GB GB25131/20A patent/GB150705A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH85235A (de) | 1920-10-01 |
GB150705A (en) | 1921-09-22 |
NL9448C (xx) | |
DE341404C (de) | 1921-09-30 |
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