FR508871A - Precision protractor device - Google Patents

Precision protractor device

Info

Publication number
FR508871A
FR508871A FR508871A FR508871DA FR508871A FR 508871 A FR508871 A FR 508871A FR 508871 A FR508871 A FR 508871A FR 508871D A FR508871D A FR 508871DA FR 508871 A FR508871 A FR 508871A
Authority
FR
France
Prior art keywords
protractor device
precision
precision protractor
protractor
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
Application number
FR508871A
Other languages
French (fr)
Inventor
Jean Vatta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JEAN VATTA
Original Assignee
JEAN VATTA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JEAN VATTA filed Critical JEAN VATTA
Application granted granted Critical
Publication of FR508871A publication Critical patent/FR508871A/en
Expired legal-status Critical Current

Links

FR508871A 1920-01-08 1920-01-08 Precision protractor device Expired FR508871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR508871T 1920-01-08

Publications (1)

Publication Number Publication Date
FR508871A true FR508871A (en) 1920-10-26

Family

ID=8910647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR508871A Expired FR508871A (en) 1920-01-08 1920-01-08 Precision protractor device

Country Status (1)

Country Link
FR (1) FR508871A (en)

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