JPH059472B2 - - Google Patents

Info

Publication number
JPH059472B2
JPH059472B2 JP58175715A JP17571583A JPH059472B2 JP H059472 B2 JPH059472 B2 JP H059472B2 JP 58175715 A JP58175715 A JP 58175715A JP 17571583 A JP17571583 A JP 17571583A JP H059472 B2 JPH059472 B2 JP H059472B2
Authority
JP
Japan
Prior art keywords
lead
core
sintered body
carbon
writing
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 - Lifetime
Application number
JP58175715A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6067578A (ja
Inventor
Itsuo Arisawa
Joji Kojima
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.)
Pilot Precision KK
Original Assignee
Pilot Precision KK
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 Pilot Precision KK filed Critical Pilot Precision KK
Priority to JP17571583A priority Critical patent/JPS6067578A/ja
Publication of JPS6067578A publication Critical patent/JPS6067578A/ja
Publication of JPH059472B2 publication Critical patent/JPH059472B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP17571583A 1983-09-22 1983-09-22 鉛芯 Granted JPS6067578A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17571583A JPS6067578A (ja) 1983-09-22 1983-09-22 鉛芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17571583A JPS6067578A (ja) 1983-09-22 1983-09-22 鉛芯

Publications (2)

Publication Number Publication Date
JPS6067578A JPS6067578A (ja) 1985-04-17
JPH059472B2 true JPH059472B2 (pm) 1993-02-05

Family

ID=16000968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17571583A Granted JPS6067578A (ja) 1983-09-22 1983-09-22 鉛芯

Country Status (1)

Country Link
JP (1) JPS6067578A (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6346278A (ja) * 1986-06-30 1988-02-27 Pilot Precision Co Ltd 低荷重用芯

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4874321A (pm) * 1972-01-07 1973-10-06
JPS5037520A (pm) * 1973-08-10 1975-04-08
JPS5853958B2 (ja) * 1975-09-20 1983-12-02 カブシキガイシヤ カタヤマカガクコウギヨウケンキユウシヨ シユウジンスイノ シヨリホウホウ

Also Published As

Publication number Publication date
JPS6067578A (ja) 1985-04-17

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