FR636624A - - Google Patents

Info

Publication number
FR636624A
FR636624A FR636624DA FR636624A FR 636624 A FR636624 A FR 636624A FR 636624D A FR636624D A FR 636624DA FR 636624 A FR636624 A FR 636624A
Authority
FR
France
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
French (fr)
Publication date
Application granted granted Critical
Publication of FR636624A publication Critical patent/FR636624A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B1/00—Film strip handling
    • G03B1/56—Threading; Loop forming

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR636624D Expired FR636624A (zh)

Publications (1)

Publication Number Publication Date
FR636624A true FR636624A (zh) 1928-04-13

Family

ID=1542463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR636624D Expired FR636624A (zh)

Country Status (1)

Country Link
FR (1) FR636624A (zh)

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