FR645252A - Crayon porte-mines à changement de mines - Google Patents

Crayon porte-mines à changement de mines

Info

Publication number
FR645252A
FR645252A FR645252DA FR645252A FR 645252 A FR645252 A FR 645252A FR 645252D A FR645252D A FR 645252DA FR 645252 A FR645252 A FR 645252A
Authority
FR
France
Prior art keywords
changing pencil
lead
lead changing
pencil
changing
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)
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.)
Kohler & Schaefer
Original Assignee
Kohler & Schaefer
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 Kohler & Schaefer filed Critical Kohler & Schaefer
Application granted granted Critical
Publication of FR645252A publication Critical patent/FR645252A/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
    • B43K24/12—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operating by means sliding in longitudinally-slotted casings
FR645252D 1926-10-28 1927-10-27 Crayon porte-mines à changement de mines Expired FR645252A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE645252X 1926-10-28

Publications (1)

Publication Number Publication Date
FR645252A true FR645252A (fr) 1928-10-23

Family

ID=6580689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645252D Expired FR645252A (fr) 1926-10-28 1927-10-27 Crayon porte-mines à changement de mines

Country Status (1)

Country Link
FR (1) FR645252A (fr)

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