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FR640813A - Porte-mine à plusieurs mines interchangeables - Google Patents

Porte-mine à plusieurs mines interchangeables

Info

Publication number
FR640813A
FR640813A FR640813DA FR640813A FR 640813 A FR640813 A FR 640813A FR 640813D A FR640813D A FR 640813DA FR 640813 A FR640813 A FR 640813A
Authority
FR
France
Prior art keywords
mechanical pencil
several interchangeable
leads
interchangeable leads
several
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
Application number
Other languages
English (en)
Inventor
Nikolaus Hoffritz
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
Application granted granted Critical
Publication of FR640813A publication Critical patent/FR640813A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
FR640813D 1927-09-13 1927-09-13 Porte-mine à plusieurs mines interchangeables Expired FR640813A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR640813T 1927-09-13

Publications (1)

Publication Number Publication Date
FR640813A true FR640813A (fr) 1928-07-23

Family

ID=8997697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR640813D Expired FR640813A (fr) 1927-09-13 1927-09-13 Porte-mine à plusieurs mines interchangeables

Country Status (1)

Country Link
FR (1) FR640813A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881014C (de) * 1941-10-17 1953-06-25 Faber Castell A W Wechselschreibstift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881014C (de) * 1941-10-17 1953-06-25 Faber Castell A W Wechselschreibstift

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