JPS4915520A - - Google Patents

Info

Publication number
JPS4915520A
JPS4915520A JP5552372A JP5552372A JPS4915520A JP S4915520 A JPS4915520 A JP S4915520A JP 5552372 A JP5552372 A JP 5552372A JP 5552372 A JP5552372 A JP 5552372A JP S4915520 A JPS4915520 A JP S4915520A
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
JP5552372A
Other languages
Japanese (ja)
Other versions
JPS4945332B2 (https=
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
Priority to JP5552372A priority Critical patent/JPS4945332B2/ja
Priority to CA149,219A priority patent/CA972908A/en
Priority to GB3812872A priority patent/GB1397784A/en
Priority to IT52218/72A priority patent/IT962133B/it
Priority to FR7229670A priority patent/FR2149565B1/fr
Priority to CH1225372A priority patent/CH565231A5/xx
Priority to US281940A priority patent/US3928520A/en
Priority to DE19722240601 priority patent/DE2240601C3/de
Publication of JPS4915520A publication Critical patent/JPS4915520A/ja
Publication of JPS4945332B2 publication Critical patent/JPS4945332B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)
JP5552372A 1971-08-19 1972-06-03 Expired JPS4945332B2 (https=)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP5552372A JPS4945332B2 (https=) 1972-06-03 1972-06-03
CA149,219A CA972908A (en) 1971-08-19 1972-08-11 Black lead and production thereof
GB3812872A GB1397784A (en) 1971-08-19 1972-08-16 Black lead and production thereof
IT52218/72A IT962133B (it) 1971-08-19 1972-08-17 Procedimento per la produzione di mine di grafite per matite e prodotto relativo
FR7229670A FR2149565B1 (https=) 1971-08-19 1972-08-18
CH1225372A CH565231A5 (https=) 1971-08-19 1972-08-18
US281940A US3928520A (en) 1971-08-19 1972-08-18 Black lead and production thereof
DE19722240601 DE2240601C3 (de) 1971-08-19 1972-08-18 Verfahren zur Herstellung einer Bleistiftmine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5552372A JPS4945332B2 (https=) 1972-06-03 1972-06-03

Publications (2)

Publication Number Publication Date
JPS4915520A true JPS4915520A (https=) 1974-02-12
JPS4945332B2 JPS4945332B2 (https=) 1974-12-03

Family

ID=13001061

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5552372A Expired JPS4945332B2 (https=) 1971-08-19 1972-06-03

Country Status (1)

Country Link
JP (1) JPS4945332B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61118482U (https=) * 1985-01-10 1986-07-26

Also Published As

Publication number Publication date
JPS4945332B2 (https=) 1974-12-03

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