FR671816A - Perfectionnements apportés aux blocs-notes éphémérides - Google Patents

Perfectionnements apportés aux blocs-notes éphémérides

Info

Publication number
FR671816A
FR671816A FR671816DA FR671816A FR 671816 A FR671816 A FR 671816A FR 671816D A FR671816D A FR 671816DA FR 671816 A FR671816 A FR 671816A
Authority
FR
France
Prior art keywords
ephemeris
notebooks
ephemeris notebooks
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
Louis Stenger
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 FR671816A publication Critical patent/FR671816A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • B42F13/16—Filing appliances with means for engaging perforations or slots with claws or rings
    • B42F13/20—Filing appliances with means for engaging perforations or slots with claws or rings pivotable about an axis or axes parallel to binding edges
FR671816D 1929-03-21 1929-03-21 Perfectionnements apportés aux blocs-notes éphémérides Expired FR671816A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR671816T 1929-03-21

Publications (1)

Publication Number Publication Date
FR671816A true FR671816A (fr) 1929-12-19

Family

ID=9017175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671816D Expired FR671816A (fr) 1929-03-21 1929-03-21 Perfectionnements apportés aux blocs-notes éphémérides

Country Status (1)

Country Link
FR (1) FR671816A (fr)

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