JPS52130723A - Chalk - Google Patents

Chalk

Info

Publication number
JPS52130723A
JPS52130723A JP4735076A JP4735076A JPS52130723A JP S52130723 A JPS52130723 A JP S52130723A JP 4735076 A JP4735076 A JP 4735076A JP 4735076 A JP4735076 A JP 4735076A JP S52130723 A JPS52130723 A JP S52130723A
Authority
JP
Japan
Prior art keywords
chalk
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
JP4735076A
Other languages
Japanese (ja)
Inventor
Akinori Noborisaka
Hitoshi Ei
Hiroshi Tetsu
Kouichi Yoshida
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.)
Hitachi Cable Ltd
Original Assignee
Hitachi Cable Ltd
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 Hitachi Cable Ltd filed Critical Hitachi Cable Ltd
Priority to JP4735076A priority Critical patent/JPS52130723A/en
Publication of JPS52130723A publication Critical patent/JPS52130723A/en
Pending legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP4735076A 1976-04-26 1976-04-26 Chalk Pending JPS52130723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4735076A JPS52130723A (en) 1976-04-26 1976-04-26 Chalk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4735076A JPS52130723A (en) 1976-04-26 1976-04-26 Chalk

Publications (1)

Publication Number Publication Date
JPS52130723A true JPS52130723A (en) 1977-11-02

Family

ID=12772689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4735076A Pending JPS52130723A (en) 1976-04-26 1976-04-26 Chalk

Country Status (1)

Country Link
JP (1) JPS52130723A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003082A1 (en) * 1984-01-12 1985-07-18 Seung Jeh Lee Process for producing blackboard crayon
JPH05105834A (en) * 1991-10-14 1993-04-27 Teru:Kk Ink stick and its production

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835914A (en) * 1971-09-08 1973-05-26
JPS4957927A (en) * 1972-10-05 1974-06-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835914A (en) * 1971-09-08 1973-05-26
JPS4957927A (en) * 1972-10-05 1974-06-05

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003082A1 (en) * 1984-01-12 1985-07-18 Seung Jeh Lee Process for producing blackboard crayon
US4617058A (en) * 1984-01-12 1986-10-14 Lee Seung J Process for producing blackboard crayon
JPH05105834A (en) * 1991-10-14 1993-04-27 Teru:Kk Ink stick and its production

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