FR497250A - Machine à perforer les films - Google Patents

Machine à perforer les films

Info

Publication number
FR497250A
FR497250A FR497250DA FR497250A FR 497250 A FR497250 A FR 497250A FR 497250D A FR497250D A FR 497250DA FR 497250 A FR497250 A FR 497250A
Authority
FR
France
Prior art keywords
perforating machine
film perforating
film
machine
perforating
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Application granted granted Critical
Publication of FR497250A publication Critical patent/FR497250A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/0007—Perforation of photographic films

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR497250D 1918-10-19 1918-10-19 Machine à perforer les films Expired FR497250A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR497250T 1918-10-19

Publications (1)

Publication Number Publication Date
FR497250A true FR497250A (fr) 1919-11-29

Family

ID=1532595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497250D Expired FR497250A (fr) 1918-10-19 1918-10-19 Machine à perforer les films

Country Status (1)

Country Link
FR (1) FR497250A (fr)

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