JPS52103230A - Drafting instrument - Google Patents

Drafting instrument

Info

Publication number
JPS52103230A
JPS52103230A JP1957676A JP1957676A JPS52103230A JP S52103230 A JPS52103230 A JP S52103230A JP 1957676 A JP1957676 A JP 1957676A JP 1957676 A JP1957676 A JP 1957676A JP S52103230 A JPS52103230 A JP S52103230A
Authority
JP
Japan
Prior art keywords
drafting instrument
drafting
instrument
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.)
Pending
Application number
JP1957676A
Other languages
Japanese (ja)
Inventor
Hitoshi Yuuki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP1957676A priority Critical patent/JPS52103230A/en
Publication of JPS52103230A publication Critical patent/JPS52103230A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1957676A 1976-02-25 1976-02-25 Drafting instrument Pending JPS52103230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1957676A JPS52103230A (en) 1976-02-25 1976-02-25 Drafting instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1957676A JPS52103230A (en) 1976-02-25 1976-02-25 Drafting instrument

Publications (1)

Publication Number Publication Date
JPS52103230A true JPS52103230A (en) 1977-08-30

Family

ID=12003099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1957676A Pending JPS52103230A (en) 1976-02-25 1976-02-25 Drafting instrument

Country Status (1)

Country Link
JP (1) JPS52103230A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159187U (en) * 1979-05-01 1980-11-15
US11397324B2 (en) 2018-07-19 2022-07-26 Envisics Ltd Head-up display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159187U (en) * 1979-05-01 1980-11-15
US11397324B2 (en) 2018-07-19 2022-07-26 Envisics Ltd Head-up display

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