JPS4862521A - - Google Patents

Info

Publication number
JPS4862521A
JPS4862521A JP47115189A JP11518972A JPS4862521A JP S4862521 A JPS4862521 A JP S4862521A JP 47115189 A JP47115189 A JP 47115189A JP 11518972 A JP11518972 A JP 11518972A JP S4862521 A JPS4862521 A JP S4862521A
Authority
JP
Japan
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.)
Granted
Application number
JP47115189A
Other languages
Japanese (ja)
Other versions
JPS527773B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4862521A publication Critical patent/JPS4862521A/ja
Publication of JPS527773B2 publication Critical patent/JPS527773B2/ja
Expired legal-status Critical Current

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
    • B43L9/16—Features common to compasses, dividers, and callipers
JP47115189A 1971-11-16 1972-11-16 Expired JPS527773B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7140919A FR2161163A5 (enrdf_load_stackoverflow) 1971-11-16 1971-11-16

Publications (2)

Publication Number Publication Date
JPS4862521A true JPS4862521A (enrdf_load_stackoverflow) 1973-08-31
JPS527773B2 JPS527773B2 (enrdf_load_stackoverflow) 1977-03-04

Family

ID=9085820

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47115189A Expired JPS527773B2 (enrdf_load_stackoverflow) 1971-11-16 1972-11-16

Country Status (6)

Country Link
US (1) US3745662A (enrdf_load_stackoverflow)
JP (1) JPS527773B2 (enrdf_load_stackoverflow)
DE (2) DE2255521C3 (enrdf_load_stackoverflow)
FR (1) FR2161163A5 (enrdf_load_stackoverflow)
GB (1) GB1366023A (enrdf_load_stackoverflow)
IT (1) IT975741B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106200A (en) * 1976-02-02 1978-08-15 David Maxwell Marker compass
DE2718627C2 (de) * 1977-04-27 1981-04-16 Rotring-Werke Riepe Kg, 2000 Hamburg Zirkelkopf für einen Federbügelzirkel
DE3207991C2 (de) * 1982-03-05 1984-08-09 Fa. J.S. Staedtler, 8500 Nürnberg Zirkel mit Einstellspindel
DE3838473C1 (en) * 1988-03-15 1989-06-01 Intertech Zeichengeraete Guenther Partes Kg, 8535 Emskirchen, De Fine adjustment compass
DE4411828A1 (de) * 1994-03-31 1995-10-05 Reimar Koerth Teilzirkel
US20050079079A1 (en) * 2003-10-09 2005-04-14 Wahlin Sigvard J. Dilution system
CN108656801A (zh) * 2018-05-08 2018-10-16 吴烁 一种应用于教育教学的数学教学用辅助教学装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US335740A (en) * 1886-02-09 Assigfoe to
DE356998C (de) * 1922-08-11 Reisszeugfabrik Pfronten Teilzirkel
DE176441C (enrdf_load_stackoverflow) *
US3110111A (en) * 1960-08-01 1963-11-12 Frank C Pachter Quick adjusting means for relatively positionable members
DE1461568A1 (de) 1963-04-10 1969-01-02 Clemens Riefler Fabrik Mathem Zirkel mit einer beide Schenkel einstellbar miteinander verbindenden Spindel

Also Published As

Publication number Publication date
FR2161163A5 (enrdf_load_stackoverflow) 1973-07-06
US3745662A (en) 1973-07-17
DE2264990C2 (de) 1982-03-25
DE2264990A1 (de) 1975-10-30
DE2255521C3 (de) 1979-08-30
IT975741B (it) 1974-08-10
DE2255521A1 (de) 1973-06-14
DE2255521B2 (de) 1976-12-16
GB1366023A (en) 1974-09-04
JPS527773B2 (enrdf_load_stackoverflow) 1977-03-04

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