FR632665A - - Google Patents

Info

Publication number
FR632665A
FR632665A FR632665DA FR632665A FR 632665 A FR632665 A FR 632665A FR 632665D A FR632665D A FR 632665DA FR 632665 A FR632665 A FR 632665A
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 FR632665A publication Critical patent/FR632665A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/26—Screens; Filters
FR632665D Expired FR632665A (zh)

Publications (1)

Publication Number Publication Date
FR632665A true FR632665A (zh) 1928-01-13

Family

ID=1541738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632665D Expired FR632665A (zh)

Country Status (1)

Country Link
FR (1) FR632665A (zh)

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