JPS5714667A - Pencil lead - Google Patents

Pencil lead

Info

Publication number
JPS5714667A
JPS5714667A JP8891780A JP8891780A JPS5714667A JP S5714667 A JPS5714667 A JP S5714667A JP 8891780 A JP8891780 A JP 8891780A JP 8891780 A JP8891780 A JP 8891780A JP S5714667 A JPS5714667 A JP S5714667A
Authority
JP
Japan
Prior art keywords
lead
mineral oil
pencil
pencil lead
pref
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.)
Granted
Application number
JP8891780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS642155B2 (enrdf_load_stackoverflow
Inventor
Hiroyuki Mizuno
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.)
Pentel Co Ltd
Original Assignee
Pentel Co 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 Pentel Co Ltd filed Critical Pentel Co Ltd
Priority to JP8891780A priority Critical patent/JPS5714667A/ja
Publication of JPS5714667A publication Critical patent/JPS5714667A/ja
Publication of JPS642155B2 publication Critical patent/JPS642155B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP8891780A 1980-06-30 1980-06-30 Pencil lead Granted JPS5714667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8891780A JPS5714667A (en) 1980-06-30 1980-06-30 Pencil lead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8891780A JPS5714667A (en) 1980-06-30 1980-06-30 Pencil lead

Publications (2)

Publication Number Publication Date
JPS5714667A true JPS5714667A (en) 1982-01-25
JPS642155B2 JPS642155B2 (enrdf_load_stackoverflow) 1989-01-13

Family

ID=13956266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8891780A Granted JPS5714667A (en) 1980-06-30 1980-06-30 Pencil lead

Country Status (1)

Country Link
JP (1) JPS5714667A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS642155B2 (enrdf_load_stackoverflow) 1989-01-13

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